ulcerative colitis
RESULTS:       Appendectomy had been performed in 11 (8.2 percent) patients with ulcerative       colitis, in 18 (13.4 percent) of their matched healthy control cases, in 19 (25.0       percent) patients with Crohn's disease, and in 10 (13.2 percent) of their matched       healthy control cases.
RESULTS:       Appendectomy had been performed in 11 (8.2 percent)  @OBJECT$   @PREDICAT$   @SUBJECT$ , in 18 (13.4 percent) of their matched healthy control cases, in 19 (25.0       percent) patients with Crohn's disease, and in 10 (13.2 percent) of their matched       healthy control cases.