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. Author manuscript; available in PMC: 2015 May 13.
Published in final edited form as: Am J Gastroenterol. 2011 Mar 1;106(4):794–799. doi: 10.1038/ajg.2011.39

Table 1.

Characteristics of the study sample.

All
Patients
N=450
Non-UC
Patients
N=150
All** UC
patients
without
colectomy
N=150
UC patients with
moderate/severe
disease (SCCA
4), N=95
UC
patients
post-
colectomy
N=150
Mean Age in years
(range) *
45 (18-
86)
44 (19-
86)
42 (18-78) 41 (19-76) 48 (18-86)
Male gender (%) 216 (48) 80 (53) 70 (47) 50 (53) 66 (44)
White/Other* (%) 375 (83) 104 (69) 127 (85) 75 (79) 143 (95)
Mean disease
duration in months
105.9
(106.7)
- 105.5
(106.9)
101.4 (108.2) 106.4
(106.7)
Mean duration of
steroid use in
months *
16.6
(24.8)
- 12.4 (20.9) 13.9 (24.4) 20.7 (33.9)
Mean number of
hospitalizations *
(range)
2.2 (0-
100)
- 1.4 (0-15) 1.6 (0-15) 3.0 (0-100)
*

p<0.05; UC=Ulcerative colitis

**

”All” refers to mild, moderate, and severe UC.