Binomial Distribution Sample Confidence Intervals Estimation 6. Excess Risk (2004)
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
We present the problem of the confidence interval estimation for excess risk (Y/n-X/m fraction), a parameter which allows evaluating of the specificity of an association between predisposing or...
Binomial Distribution Sample Confidence Intervals Estimation 5. Odds Ratio (2004)
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
Evaluation of the strength of association between predisposing or causal factors and disease can be express as odds ratio in case-control studies. In order to interpret correctly a point estimation...
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
Assessments of a controlled clinical trial suppose to interpret some key parameters as the controlled event rate, experimental event date, relative risk, absolute risk reduction, relative risk...
Binomial Distribution Sample Confidence Intervals Estimation 8. Number Needed to Treat/Harm (2004)
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
Nowadays, the number needed to treat became the most important parameter in reporting the treatment effects in clinical trials, from binary outcomes such as “positive” or “negative”. Defined...
Tudor DRUGAN, Sorana BOLBOACĂ, Lorentz JÄNTSCHI, Andrei ACHIMAŞ CADARIU
The aim of the paper was to present the usefulness of the binomial distribution in studying of the contingency tables and the problems of approximation to normality of binomial distribution (the...
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
The accuracy of confidence interval expressing is one of most important problems in medical statistics. In the paper was considers for accuracy analysis from literature, a number of confidence...
Binomial Distribution Sample Confidence Intervals Estimation 3. Post and Pre Test Odds (2003)
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
When a diagnostic test results are dichotomous a 2´2 contingency table can be create, and some indices can be compute according to the method in which the data were collected. The posttest odds is...
Binomial Distribution Sample Confidence Intervals Estimation 4. Post Test Probability (2003)
Sorana BOLBOACĂ, Andrei ACHIMAŞ CADARIU
Posttest probability is one of the key parameters which can be measured and interpret in dichotomous diagnostic tests. Defined as the proportion of patients, which present particular test result and...