Table 3

Complication rate among patients with hip fractures in the non-DM, OAD, and insulin cohorts

ComplicationModel IModel II
n(%)n(%)Adjusted HR (95% CI)P valueAdjusted HR (95% CI)P value
Within 30 days
 Non-DM cohort2602(94.8)143(5.2)Ref
 OAD cohort2284(96.2)89(3.8)0.73 (0.56 to 0.95)0.020Ref
 Insulin cohort341(91.7)31(8.3)1.59 (1.07 to 2.34)0.0212.21 (1.46 to 3.34)<0.001
Within 90 days
 Non-DM cohort2485(90.5)260(9.5)Ref
 OAD cohort2191(92.3)182(7.7)0.81 (0.67 to 0.98)0.028Ref
 Insulin cohort320(86.0)52(14.0)1.49 (1.10 to 2.01)0.0091.81 (1.33 to 2.47)<0.001
  • Adjusted for age, sex, payroll bracket table, anesthesia type, and Charlson Comorbidity Index score.

  • Model I: comparison among the non-DM (ref), OAD, and insulin cohorts.

  • Model II: comparison between the OAD (ref) and insulin cohorts.

  • DM, diabetes mellitus; OAD, oral antidiabetic drug; ref, reference.