Demographic data among patients with hip fractures in the non-DM and DM cohorts
| Non-DM cohort (n=2745) | OAD cohort (n=2373) | P value | Insulin cohort (n=372) | P value | |
| n (%) | n (%) | n (%) | |||
| Age (years) | |||||
| 65–69 | 214 (7.8) | 175 (7.4) | 31 (8.3) | ||
| 70–74 | 387 (14.1) | 341 (14.4) | 0.518 | 63 (16.9) | 0.614 |
| 75–79 | 610 (22.2) | 485 (20.4) | 83 (22.3) | ||
| 80–84 | 732 (26.7) | 645 (27.2) | 94 (25.3) | ||
| ≥85 | 802 (29.2) | 727 (30.6) | 101 (27.2) | ||
| Mean±SD | 80.52 (7.37) | 80.25 (6.86) | 79.39 (6.88) | ||
| Sex | |||||
| Female | 1611 (58.7) | 1420 (59.8) | 0.403 | 193 (51.9) | 0.013 |
| Male | 1134 (41.3) | 953 (40.2) | 179 (48.1) | ||
| Payroll bracket table | |||||
| <NT 15 000 | 1853 (67.5) | 1621 (68.3) | 0.205 | 245 (65.9) | 0.709 |
| ≥NT 15 000 | 892 (33.5) | 752 (31.7) | 127 (34.1) | ||
| Anesthesia type | |||||
| Regional | 1866 (68.0) | 1636 (68.9) | 0.459 | 261 (70.2) | 0.396 |
| General | 879 (32.0) | 737 (31.1) | 111 (29.8) | ||
| Operation method | |||||
| Internal fixation | 1526 (55.6) | 1369 (57.7) | 0.131 | 225 (60.5) | 0.074 |
| Hemiarthroplasty | 1219 (44.4) | 1004 (42.3) | 147 (39.5) | ||
| Charlson Comorbidity Index score | |||||
| ≤1 | 945 (34.4) | 814 (34.3) | 0.354 | 109 (29.3) | 0.004 |
| =2 | 654 (23.8) | 604 (25.5) | 74 (19.9) | ||
| >2 | 1146 (41.7) | 955 (40.2) | 189 (50.8) |
DM, diabetes mellitus; NT, New Taiwan Dollar; OAD, oral antidiabetic drug.