Skip to main content

Advertisement

Table 2 Incidence and crude and adjusted rate ratios of inflammatory bowel disease in a retrospective cohort study of active duty US military personnel from 1998 to 2008

From: Risk of inflammatory bowel disease following a diagnosis of irritable bowel syndrome

  All IBD CD UC
  Incidence* cRR (95% CI) aRR (95% CI) Incidence* cRR (95% CI) aRR (95% CI) Incidence* cRR (95% CI) aRR (95% CI)
Female 81.5 1.0 1.0 23.3 1.0 1.0 46.6 1.0 1.0
Male 98.5 1.21 (0.74, 1.96) 2.21 (1.35, 3.62) 43.2 1.85 (0.78, 4.44) 3.55 (1.47, 8.54) 43.2 0.93 (0.48, 1.80) 1.66 (0.84, 3.28)
≤1 IGE 89.4 1.0 1.0 40.1 1.0 1.0 37.0 1.0 1.0
>1 IGE 274.7 3.07 (1.42, 6.64) 2.19 (1.01, 4.75) 196.2 4.90 (1.93, 12.42) 1.51 (0.36, 6.32) 78.5 2.12 (0.51, 8.81) 3.49 (1.36, 8.95)
Not deployed 104.3 1.0 1.0 40.5 1.0 1.0 49.8 1.0 1.0
Deployed 29.6 0.28 (0.10, 0.77) 0.33 (0.12, 0.91) 22.2 0.55 (0.17, 1.78) 0.65 (0.20, 2.13) 7.4 0.15 (0.02, 1.08) 0.17 (0.02, 1.27)
No IBS 27.8 1.0 1.0 7.3 1.0 1.0 16.1 1.0 1.0
IBS 238.1 8.56 (5.18, 14.17) 9.40 (5.64, 15.6) 104.7 14.32 (5.59, 36.67) 17.30 (6.71, 44.62) 104.7 6.51 (3.29, 12.88) 6.53 (3.25, 13.11)
  1. * Per 100,000 person-years.
  2. IBD: inflammatory bowel disease; CD: Crohn’s disease; UC: ulcerative colitis; cRR: crude rate ratio; aRR: adjusted rate ratio; CI: confidence interval.