Table 1: Baseline data and regular medicament intake of the group with and the group without infectious colon perforation.

Colon perforation ( )No colon perforation ( ) value

Male gender57%50% a
Mean age (standard deviation)66.6 years (11.1)66.7 years (10.7) b
b-blocker24%18% a
ACE/AT blocker27%28% a
Calcium blocker5%7% a
Diuretics14%13% a
Digoxin2%1% a

aTwo-tailed Fisher’s exact test; bWilcoxon rank sum test.