Statistics in ophthalmology revisited: the (effect) size matters.

The association of biomedical sciences with mathematics is inextricable and undeniable. It should be considered that gaining confidence or strong belief within the framework of a scientific experiment - in the 'compulsory' marriage with statistics - does not mean total and undisturbed certainty. The null hypothesis significance testing (NHST) has been the kernel of statistical data analysis for a long period.

[The impact of income and education on medicine consumption in a representative sample of Lodz inhabitants between the ages of 18-64 years].

Evaluation of medicine consumption and factors influencing it's level is an important element in estimation of health care system functionality. One of the purposes of CINDI Programme (Countrywide Integrated Noncommunicable Diseases Intervention Programme) conducted among the insured in Regional Health Authority in Lodz was to evaluate medicine consumption and factors influencing it's level. The study was conducted according to WHO standards set for CINDI Programme in 27 countries.