Complication rate among patients with hip fractures in the non-DM, OAD, and insulin cohorts
| Complication | Model I | Model II | ||||||
| No | Yes | |||||||
| n | (%) | n | (%) | Adjusted HR (95% CI) | P value | Adjusted HR (95% CI) | P value | |
| Within 30 days | ||||||||
| Non-DM cohort | 2602 | (94.8) | 143 | (5.2) | Ref | |||
| OAD cohort | 2284 | (96.2) | 89 | (3.8) | 0.73 (0.56 to 0.95) | 0.020 | Ref | |
| Insulin cohort | 341 | (91.7) | 31 | (8.3) | 1.59 (1.07 to 2.34) | 0.021 | 2.21 (1.46 to 3.34) | <0.001 |
| Within 90 days | ||||||||
| Non-DM cohort | 2485 | (90.5) | 260 | (9.5) | Ref | |||
| OAD cohort | 2191 | (92.3) | 182 | (7.7) | 0.81 (0.67 to 0.98) | 0.028 | Ref | |
| Insulin cohort | 320 | (86.0) | 52 | (14.0) | 1.49 (1.10 to 2.01) | 0.009 | 1.81 (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.