Table 1

Demographic features of participating patients

Ulcerative colitis
ActiveInactiveControl
No of patients15810
Sex (male/female)8/74/47/3
Age (years)
 Range24–5926–5932–72
 Mean39.338.656.4
Disease duration (y)
 Range0.5–141–19
 Mean6.98.2
Treatment
 Cyclosporin20
 Steroids84
 Sulphasalazine/5-ASA  only44
 No treatment30