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Table 5 Risk factors for postoperative complications following colectomy in UC patients defined by chart review vs. administrative data

From: Postoperative complications following colectomy for ulcerative colitis: A validation study

Risk Factor Chart Data OR (95%CI) n = 586* Administrative Data OR (95%CI) n = 697*
Age   
18–34 1.0 1.0
35–64 0.87 (0.60–1.26) 0.83 (0.58–1.19)
65+ 1.97 (1.10–3.52) 2.04 (1.18–3.52)
Admission Type   
Elective 1.0 1.0
Emergent 1.49 (1.06–2.09) 2.52 (1.80–3.52)
Charlson Comorbidity   
0 1.0 1.0
≥ 1 1.50 (1.05–2.15) 2.91 (1.86–4.56)
  1. OR - odds ratios; CI - confidence interval.
  2. * Cohort of patients identified by administrative data (n = 697) includes all patients coded with UC + colectomy. The cohort used for chart data analysis excludes repeated admissions, patients without UC or colectomy, and unavailable charts (See Figure 1).