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. Author manuscript; available in PMC: 2021 May 27.
Published in final edited form as: Inflamm Bowel Dis. 2015 Sep;21(9):2097–2105. doi: 10.1097/MIB.0000000000000466

TABLE 5.

Clinical Markers at Diagnosis and Proximal Endoscopic Extension in UC

Proximal Extension on Last Follow-up (n = 174) Limited Colitis on Last Follow-up (n = 112) P
Age group distribution, yr 0.09
 ≤16 20 5
 17–40 128 85
 >40 26 22
Female gender, % 58.6 56 0.59
Smoking at diagnosis, % 18.6 13.8 0.31
Ethnicity (white), % 71.8 61.6 0.07

Proximal extension, endoscopic extent proximal to splenic flexure.