Wittoek, Ruth, De Keyser, Filip, Boonen, A, De Vlam, Kurt, Vastesaeger, Nathan, Mielants, Herman, ...
The risk, for disease or a bad prognosis cart be calculated by means of prediction or classification models that take into account multiple variables. Different methods exist to construct such...
Epidemiology of hip involvement in ankylosing spondylitis (2008)
Vander Cruyssen, Bert, MUNOZ-GOMARIZ, E, FONT, P, MULERO, J, De Vlam, Kurt, BOONEN, A, ...
Van Staa, T.P., Geusens, P., Zhang, B., Leufkens, H.G.M., Boonen, A., Cooper, C.
OBJECTIVES: There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. METHODS: Data were...
Van Staa, T., Zhang, B., Leufkens, H., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Van Staa, T., Zhang, B., Leufkens, H., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Van Staa, T., GEUSENS, Piet, Zhang, B., Leufkens, H., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Staa, T.P. Van, Geusens, P., Boonen, A., Leufkens, H.G.M., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Staa, T.P. Van, Geusens, P., Boonen, A., Leufkens, H.G.M., Cooper, C.
Objectives: Cost-effectiveness analyses are routinely based on data from group averages, restricting its generalizibility to those with below- or above-average risk. A pharmacoeconomic model that...
Van Staa, T. P., Geusens, P., Zhang, B., Leufkens, H. G. M., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Boonen, A, Verduyckt, J, Taelman, V, Sileghem, A, ...
Van Echteld, I, Cieza, A, Boonen, A, Stucki, G, Zochling, J, Braun, J, ...
Van Staa, T. P., Geusens, P., Zhang, B., Leufkens, H. G. M., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Van Staa, T. P., Geusens, P., Zhang, B., Leufkens, H. G. M., Boonen, A., Cooper, C.
Objectives. There are few data on the cost-effectiveness of bisphosphonates with oral glucocorticoids (GCs). An individual patient-based pharmaco-economic model was developed. Methods. Data were...
Healthcare consumption and direct costs of rheumatoid arthritis in Belgium (2005)
Boonen, A, Verbruggen, L, Durez, P, De Clerck, L, Malaise, M, ...
The aim of this study was to compare the socioeconomic consequences of early and late rheumatoid arthritis in Belgium and to assess the patient out-of-pocket contributions. This multicentre...
An evaluation of foot problems in rheumatoid arthritis (RA) patients (2005)
Verduyckt, J, Taelman, V, Sileghem, A, ...
A review of instruments to assess illness cognitions in rheumatology. (2005)
Boonen, A., Maas, M., Taal, Erik, Taal, E., Linden, S. Van Der
Psychometrische beoordeling van instrumenten om ziektecognities te meten in de reumatologie. (2005)
Maas, M., Boonen, A., Taal, Erik, Taal, E., Linden, S. Van Der
Healthcare consumption and direct costs of rheumatoid arthritis in Belgium (2005)
WESTHOVENS, R, BOONEN, A, VERBRUGGEN, L, DUREZ, P, DE CLERCK, L, MALAISE, M, ...
Verstappen, S. M. M., Boonen, A., Bijlsma, J. W. J., Buskens, E., Verkleij, H., Schenk, Y., ...
Objectives. To assess work disability and variables associated with work disability among Dutch patients with rheumatoid arthritis (RA). Methods. A questionnaire on working status was filled out by...
Verstappen, S. M. M., Boonen, A., Bijlsma, J. W. J., Buskens, E., Verkleij, H., Schenk, Y., ...
Objectives. To assess work disability and variables associated with work disability among Dutch patients with rheumatoid arthritis (RA). Methods. A questionnaire on working status was filled out by...
Verstappen, S. M. M., Boonen, A., Bijlsma, J. W. J., Buskens, E., Verkleij, H., Schenk, Y., ...
Objectives. To assess work disability and variables associated with work disability among Dutch patients with rheumatoid arthritis (RA). Methods. A questionnaire on working status was filled out by...
BOONEN, A, LANDEWE, R, GUILLEMIN, F, DOUGADOS, M, ...
Costs of ankylosing spondylitis in three European countries: the patient's perspective (2003)
BOONEN, A, LANDEWE, R, GUILLEMIN, F, SPOORENBERG, A, SCHOUTEN, H, ...
Van Tubergen, A, Boonen, A, Landewe, R, Hidding, A, ...
Objective. To evaluate the cost effectiveness and cost utility of a 3-week course of combined spa therapy and exercise therapy in addition to standard treatment consisting of antfinflammatory drugs...
Assessment of fatigue in patients with Ankylosing Spondylitis: A psychometric analysis (2002)
Van Tubergen, A, Landewe, R, Spoorenberg, A, Chorus, A, Boonen, A, ...
Objectives. To investigate whether the single-item fatigue question of the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Multidimensional Fatigue Inventory (MFI) are appropriate...
Garnero, P, Landewe, R, Boers, M, Verhoeven, A, Christgau, S, ...
Objective. The known risk factors for radiologic progression in rheumatoid arthritis (RA) are not optimally discriminative in patients with early disease who do not have evidence of radiologic...
Bruynesteyn, K, Boers, M, Saudan, A, Peloso, P, Paulus, H, Houben, H, ...
Objective. To evaluate whether knowledge of the chronological sequence influences the sensitivity and specificity of the Sharp/van der Heijde (SvH) and Larsen/Scott (LS) scoring method to detect...
Bruynesteyn, K, Boers, M, Verhoeven, A, Boonen, A, VAN DER HEIJDE, Desiree
Objective. In rheumatoid arthritis (RA) in the context of a drug trial, prevention of erosions in undamaged joints is often considered more important than prevention of progression in already damaged...
Boonen, A, Chorus, A, Landewe, R, Miedema, H, Van Der Linden, SJ, ...
Univ Hosp Maastricht, Dept Internal Med, Div Rheumatol, NL-6202 AZ Maastricht, Netherlands. Maasland Ziekenhaus Sittard, Sittard, Netherlands. Erasmus Univ, Rotterdam, Netherlands. Univ Hosp...
Bruynesteyn, K, Boers, M, Saudan, A, Peloso, P, Paulus, H, Houben, H, ...
Objective. To assess the minimal clinically important difference (MCID) in joint damage on hand and foot radiographs of patients with early rheumatoid arthritis (RA) as assessed with the Sharp/van...
Van Tubergen, A, Boonen, A, Landewe, R, Hidding, A, ...
Objective. To evaluate the cost effectiveness and cost utility of a 3-week course of combined spa therapy and exercise therapy in addition to standard treatment consisting of antfinflammatory drugs...
Assessment of fatigue in patients with Ankylosing Spondylitis: A psychometric analysis (2002)
Van Tubergen, A, Landewe, R, Spoorenberg, A, Chorus, A, Boonen, A, ...
Objectives. To investigate whether the single-item fatigue question of the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Multidimensional Fatigue Inventory (MFI) are appropriate...
Garnero, P, Landewe, R, Boers, M, Verhoeven, A, Christgau, S, ...
Objective. The known risk factors for radiologic progression in rheumatoid arthritis (RA) are not optimally discriminative in patients with early disease who do not have evidence of radiologic...
Bruynesteyn, K, Boers, M, Saudan, A, Peloso, P, Paulus, H, Houben, H, ...
Objective. To evaluate whether knowledge of the chronological sequence influences the sensitivity and specificity of the Sharp/van der Heijde (SvH) and Larsen/Scott (LS) scoring method to detect...
Bruynesteyn, K, Boers, M, Verhoeven, A, Boonen, A, VAN DER HEIJDE, Desiree
Objective. In rheumatoid arthritis (RA) in the context of a drug trial, prevention of erosions in undamaged joints is often considered more important than prevention of progression in already damaged...
Boonen, A, Chorus, A, Landewe, R, Miedema, H, Van Der Linden, SJ, ...
Univ Hosp Maastricht, Dept Internal Med, Div Rheumatol, NL-6202 AZ Maastricht, Netherlands. Maasland Ziekenhaus Sittard, Sittard, Netherlands. Erasmus Univ, Rotterdam, Netherlands. Univ Hosp...
Bruynesteyn, K, Boers, M, Saudan, A, Peloso, P, Paulus, H, Houben, H, ...
Objective. To assess the minimal clinically important difference (MCID) in joint damage on hand and foot radiographs of patients with early rheumatoid arthritis (RA) as assessed with the Sharp/van...
BOONEN, A, LANDEWE, R, SPOORENBERG, A, SCHOUTEN, H, ...
Withdrawal from labour force due to work disability in patients with ankylosing spondylitis (2001)
Boonen, A, Chorus, A, Miedema, H, Landewe, R, Schouten, H, ...
Objective-To investigate withdrawal from the labour force because of inability to work owing to ankylosing spondylitis (AS) and to determine the characteristics of patients with no job because of...
Boonen, A, De Vet, H, Van Der Linden, SJEF, VAN DER HEIJDE, Desiree
Objective. To evaluate work status and its determinants among patients with ankylosing spondylitis (AS). Methods. A systematic literature review: of original studies published after 1980 in which...
Muhammad Asim Khan. Portrait of a rheumatologist as a great artist (2001)
Boonen, A, VAN DER HEIJDE, Desiree
Univ Hosp Maastricht, Div Rheumatol, Dept Internal Med, NL-6202 AZ Maastricht, Netherlands. Limburgs Univ Ctr, Diepenbeek, Belgium.Boonen, A, Univ Hosp Maastricht, Div Rheumatol, Dept Internal Med,...
Bruynesteyn, K, Boers, M, Lassere, M, Boonen, A, Edmonds, J, Houben, H, ...
To determine the minimal clinically important difference (MCID) between hand and foot films with a 1 year interval assessed with the Sharp/van der Heijde or Larsen/Scott scoring method. Progression...
Robustness and generalizability of smallest detectable difference in radiological progression (2001)
Lassere, MND, Johnson, K, Bruynesteyn, K, Molenaar, E, Boonen, A, Verhoeven, A, ...
The smallest detectable difference (SDD) reflects that component of a measure statistically attributable to error from the measurement process itself. As such it is an irreducible component of the...
Withdrawal from labour force due to work disability in patients with ankylosing spondylitis (2001)
Boonen, A, Chorus, A, Miedema, H, Landewe, R, Schouten, H, ...
Objective-To investigate withdrawal from the labour force because of inability to work owing to ankylosing spondylitis (AS) and to determine the characteristics of patients with no job because of...
Boonen, A, De Vet, H, Van Der Linden, SJEF, VAN DER HEIJDE, Desiree
Objective. To evaluate work status and its determinants among patients with ankylosing spondylitis (AS). Methods. A systematic literature review: of original studies published after 1980 in which...
Muhammad Asim Khan. Portrait of a rheumatologist as a great artist (2001)
Boonen, A, VAN DER HEIJDE, Desiree
Univ Hosp Maastricht, Div Rheumatol, Dept Internal Med, NL-6202 AZ Maastricht, Netherlands. Limburgs Univ Ctr, Diepenbeek, Belgium.Boonen, A, Univ Hosp Maastricht, Div Rheumatol, Dept Internal Med,...
Bruynesteyn, K, Boers, M, Lassere, M, Boonen, A, Edmonds, J, Houben, H, ...
To determine the minimal clinically important difference (MCID) between hand and foot films with a 1 year interval assessed with the Sharp/van der Heijde or Larsen/Scott scoring method. Progression...
Robustness and generalizability of smallest detectable difference in radiological progression (2001)
Lassere, MND, Johnson, K, Bruynesteyn, K, Molenaar, E, Boonen, A, Verhoeven, A, ...
The smallest detectable difference (SDD) reflects that component of a measure statistically attributable to error from the measurement process itself. As such it is an irreducible component of the...
Boonen, A, Schoon, E, Declerck, K, GEUSENS, Piet, VANHOOF, Johan, RAUS, Jef
Limburgs Univ Ctr, Inst Biomed Res, DWI, Diepenbeek, Belgium. Acad Hosp, Dept Rheumatol, Maastricht, Netherlands. Acad Hosp, Dept Gastroenterol, Maastricht, Netherlands.
High prevalence of uncorrected non-skeletal risk factors for hip fracture in nursing homes. (1999)
Declerck, K, Vaes, G, Thone, L, Viaene, M, Wertelaers, A, Boonen, A, ...
Limburgs Univ Ctr, DWI, Biomed Res Inst, Diepenbeek, Belgium. Univ Maastricht, Dept Rheumatol, Maastricht, Netherlands. OSTEOLIMB Working Grp, Limburgerhof, Germany. Univ Maastricht, Dept...
Boonen, A, Schoon, E, Declerck, K, GEUSENS, Piet, VANHOOF, Johan, RAUS, Jef
Limburgs Univ Ctr, Inst Biomed Res, DWI, Diepenbeek, Belgium. Acad Hosp, Dept Rheumatol, Maastricht, Netherlands. Acad Hosp, Dept Gastroenterol, Maastricht, Netherlands.
High prevalence of uncorrected non-skeletal risk factors for hip fracture in nursing homes. (1999)
Declerck, K, Vaes, G, Thone, L, Viaene, M, Wertelaers, A, Boonen, A, ...
Limburgs Univ Ctr, DWI, Biomed Res Inst, Diepenbeek, Belgium. Univ Maastricht, Dept Rheumatol, Maastricht, Netherlands. OSTEOLIMB Working Grp, Limburgerhof, Germany. Univ Maastricht, Dept...
Boonen, A., Boers, M., Kostense, P.
Objective. To determine the influence of reading series of films in chronological order, in pairs with unknown time sequence, or as single films, on precision and sensitivity to change. Methods. Two...
Boers, M, Verhoeven, A C, Markusse, H M, Van De Laar, M A, Westhovens, Rene; U0008450, Van Denderen, J C, ...
BACKGROUND: The value of intensive combination therapy in early rheumatoid arthritis is unproven. In a multicentre, double-blind, randomised trial (COBRA), we compared the combination of...
CLUBBING IN HUMAN IMMUNODEFICIENCY VIRUS INFECTION (1996)
BOONEN, A., SCHREY, G., VAN DER LINDEN, Sj.
We describe two patients who developed clubbing shortly after HIV seroconversion. None of them had the full syndroine of hypertropic osteoarthropathy. Other causes of clubbing are unlikely. We...
A BIBLIOGRAPHY OF BYZANTINE STUDIES - GERMAN, ITALIAN, ENGLISH, FRENCH (1995)
SCHREINER, P, SCHOLZ, C, GROSSMANN, P, MOFFATT, A, Demoen, Kristoffel, GJUZELEV, V, ...
A BIBLIOGRAPHY OF BYZANTINE STUDIES - ITALIAN, GERMAN, ENGLISH, FRENCH (1995)
SCHREINER, P, SCHOLZ, C, GROSSMANN, P, MOFFATT, A, Demoen, Kristoffel, GJUZELEV, V, ...
A BIBLIOGRAPHY OF BYZANTINE STUDIES - GERMAN, ITALIAN, ENGLISH, AND FRENCH (1994)
SCHREINER, P, SCHOLZ, C, GROSSMANN, P, XHUFI, P, MOFFATT, A, Demoen, Kristoffel, ...
Van Cutsem, Eric; U0003840, Boonen, A, Geboes, Karel; U0003611, Coremans, Georges; U0016748, Hiele, Martin; U0011266, Vantrappen, Gaston; U0017164, ...
Boonen, A, ...
We have analysed the long term results of YAG laser palliation for incurable colorectal carcinoma in 88 patients. Although initial palliation was achieved in 82%, good palliation could only be...
Vertebral fracture induced by chronic contained rupture of aortic aneurysm.
Boonen, A, Ghesquiere, B, Westhovens, R, Geusens, P, Dequeker, J, Boonen, S
Withdrawal from labour force due to work disability in patients with ankylosing spondylitis
Boonen, A, Chorus, A, Miedema, H, Landewe, R, Schouten, H, ...
OBJECTIVE—To investigate withdrawal from the labour force because of inability to work owing to ankylosing spondylitis (AS) and to determine the characteristics of patients with no job because of...
Boonen, A, Chorus, A, Miedema, H
OBJECTIVE—To evaluate employment status, work disability, and work days lost in patients with ankylosing spondylitis (AS). METHODS—A questionnaire was sent to 709 patients with AS aged 16-60....
Boonen, A, Landewe, R, Spoorenberg, A, Schouten, H, Rutten-Van, M, ...
Objective: To compare work disability, sick leave, and productivity costs due to ankylosing spondylitis (AS) of three European countries.
Boonen, A, Chorus, A, Landewe, R, Miedema, H, ...
Employment perspectives of patients with ankylosing spondylitis
Chorus, A, Boonen, A, Miedema, H
Objectives: To assess the labour market position of patients with ankylosing spondylitis (AS) in relation to disease duration and to identify potential factors in relation to withdrawal from the...
Chorus, A, Miedema, H, Boonen, A
Objective: To investigate the relationship between work and quality of life (QOL) in patients with rheumatoid arthritis (RA) and ankylosing spondylitis (AS) aged 16–59.
Dadoniene, J, Uhlig, T, Stropuviene, S, Venalis, A, Boonen, A, Kvien, T
Objective: To compare disease characteristics and health status in patients with rheumatoid arthritis (RA) from two countries, Norway and Lithuania.
Boonen, A, Landewe, R, Guillemin, F, Rutten-van, M, Dougados, M, ...
Objective: To assess direct costs associated with ankylosing spondylitis (AS). To determine which variables, including country, predict costs.
Costs of ankylosing spondylitis in three European countries: the patient's perspective
Boonen, A, Landewe, R, Guillemin, F, Spoorenberg, A, Schouten, H, ...
Objective: To assess a patient's out of pocket costs, income loss, time consumption, and quality of life (QoL) due to ankylosing spondylitis (AS) in three European countries and to assess variables...
Ankylosing spondylitis: an overview
Sieper, J, Braun, J, Rudwaleit, M, Boonen, A, Zink, A
Ankylosing spondylitis (AS) is a complex, potentially debilitating disease that is insidious in onset, progressing to radiological sacroiliitis over several years. Patients with symptomatic AS lose...
Boonen, A, Landewe, R, Chorus, A, Van Lankveld, W, Miedema, H, ...
Objective: To determine whether avoidant coping in ankylosing spondylitis (AS) is independent of disease status and whether it is stable over time.
Boonen, A, Van Tubergen, A, Goossens, M, Severens, J, ...
Objective: To compare the cost of illness of three musculoskeletal conditions in relation to general wellbeing.
Boonen, A, Severens, J, Van Tubergen, A, Landewe, R, Bonsel, G, ...
Methods: 120 patients participating in a randomised trial comparing 3 weeks' treatment in a spa resort in Austria or in the Netherlands with a control group completed a WTP questionnaire before and...
Verstappen, S, Boonen, A, Verkleij, H, Bijlsma, J, Buskens, E, Jacobs, J, ...
Objective: To assess productivity costs incurred by rheumatoid arthritis, comprising paid as well as household productivity costs, from a societal perspective, using different methods.