Table 1.
Baseline characteristics for the patient cohorts
| Uncemented | Cemented | Uncemented | Hybrid | Cemented | |
|---|---|---|---|---|---|
| HA | HA | THA | THA | THA | |
| Number of patients | 1,142 | 1,868 | 4,855 | 612 | 1,274 |
| Number of operations | 1,173 | 1,935 | 5,563 | 640 | 1,366 |
| Percentage of females | 67 | 74 | 56 | 68 | 73 |
| Mean age (SD) | 81 (10) | 83 (8) | 65 (10) | 75 (8) | 77 (6) |
| range | 37–107 | 40–103 | 13–96 | 38–91 | 42–97 |
| ASA class 1–2, n (%) | 115 (10) | 194 (10) | 3,303 (59) | 258 (40) | 494 (36) |
| ASA class 3, n (%) | 707 (60) | 1,234 (64) | 2,163 (39) | 363 (57) | 819 (60) |
| ASA class 4, n (%) | 349 (30) | 501 (26) | 86 (2) | 18 (3) | 52 (4) |
THA = total hip arthroplasty. HA = hemiarthroplasty.