Figure 1.
A) Cumulative probability of first major abdominal surgery from time of diagnosis among 310 Crohn’s disease patients diagnosed in Olmsted County, Minnesota between 1970 and 2004; B) cumulative probability of second major abdominal surgery from time of first major abdominal surgery (n = 152); and C) cumulative probability of third major abdominal surgery from time of second major abdominal surgery (n = 65).