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. Author manuscript; available in PMC: 2015 Oct 28.
Published in final edited form as: Am J Gastroenterol. 2013 Jan 8;108(2):240–248. doi: 10.1038/ajg.2012.406

Table 3.

Crude and Multivariate analyses of medication use and pneumonia in patients with IBD, overall and by CD or UC

Medication IBD Overall (n=23,784) Crohns disease (n=12,025) Ulcerative Colitis (n=11,645)
Crude OR, 95% CI Adjusted OR, 95% CI Crude OR, 95% CI Adjusted OR, 95% CI Crude OR, 95% CI Adjusted OR, 95% CI
Any use in prior 120 days
Biologic 2.06 (1.77-2.39) 1.28 (1.08-1.52) 1.91 (1.62-2.26) 1.28 (1.05-1.56) 2.71 (1.96-3.75) 1.26 (0.87-1.82)
Thiopurine 1.51 (1.37-1.67) 1.04 (0.92-1.17) 1.41 (1.25-1.61) 1.02 (0.88-1.18) 1.71 (1.44-2.03) 1.06 (0.87-1.82)
Corticosteroid 5.49 (5.04-5.97) 3.62 (3.30-3.98) 5.35 (4.75-6.01) 3.52 (3.10-4.01) 5.62 (4.97-6.35) 3.74 (3.27-4.29)
Calcineurin 3.19 (2.13-4.79) 0.51 (0.30-0.88) 2.91 (1.57-5.37) 0.59 (0.25-1.38) 3.43 (2.00-5.90) 0.49 (0.24-0.97)
PPI 2.21 (2.04-2.39) 1.14 (1.03-1.25) 2.20 (1.97-2.45) 1.17 (1.03-1.33) 2.19 (1.95-2.47) 1.10 (0.95-1.27)

* ** Biologic defined as infliximab, adalimumab, or certolizumab pegol, thiopurine defined as mercaptopurine or azathioprine

5-ASA defined as mesalamine, olsalazine, balsalazide, sulfasalazine, calcineurin defined as tacrolimus or cyclosporine

***Conditional logistic regression models adjusted for health care utilization, comorbitities, 5-ASA, biologic, thiopurine, corticosteroid, PPI medication use as appropriate

Source: IMS Health, LifeLink™ Health Plan Claims Database, From 1997 to 2009