Table 1.

Demographic characteristics of the study population (n = 154)

	Group 1 01/2006-12/2010 n = 50	Group 2 01/2011-12/2016 n = 104	p value	Statistic Test
Age (Mean; SD)	59.7; 13.5	64.2; 13.9	0.672	T test
Sex	50 males	104 males	constant	–
BMI (Mean; SD)	30.4; 8.01	30.9; 8.72	0.351	Chi square
Diabetes mellitus (n; %)	17; 34.0	43; 41.3	0.719	Fisher exact
HIV (n; %)	0	0	constant	–
Alcohol abuse (n; %)	9; 18.0	19; 18.3	1.000	Fisher exact
Colorectal cancer (n; %)	1; 2.0	7; 6.7	0.435	Fisher exact

1 – 30 missing concerning body mass index (=BMI); 2 – 48 missing concerning Body mass index; HIV – human immunodeficiency virus