Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 21, 2013; 19(47): 9063-9068
Published online Dec 21, 2013. doi: 10.3748/wjg.v19.i47.9063
Figure 2
Figure 2 Monthly variations in the onset of ulcerative colitis. The highest onset rate was observed in October (24/198, 12.1%), followed by March (23/198, 11.6%). The lowest onset rate was observed in July and August (10/198, 5.1%). The timing of ulcerative colitis (UC) onset was characterized by a monthly variation (χ2(2 df) = 8.43, P = 0.015), with a peak during October and March and a trough during June and September.