Medication of the studied population.

<p><i>Values are expressed in % as result of Chi-squared test. NSAID = non-steroidal anti-inflammatory drugs; ACE = angiotensin converting enzyme.</i></p

Clinical characteristics of the studied population.

<p><i>Values are expressed as mean ± SD as a result of Mann-Whitney U-Test for age and BMI or in % as a result of Chi-squared for the others.</i></p