Table 1.
Characteristics of subject. Values are frequency (%) unless otherwise specified
| AS group | PTS group | |
|---|---|---|
| Factor | n = 534 | n = 543 |
| Sex | ||
| Male | 135 (25) | 156 (29) |
| Female | 399 (75) | 387 (71) |
| Age (years) (mean, SD) | 82 (8.0) | 82 (8.4) |
| ASA | ||
| 1–2 | 185 (35) | 138 (25) |
| 3–4 | 349 (65) | 405 (75) |
| Height (cm) | ||
| Mean (SD) | 166 (9) | 167 (9) |
| Missing | 1 (0.2) | 6 (1) |
| Weight (kg) | ||
| Mean (SD) | 67 (15) | 68 (13) |
| Missing | 1 (0.2) | 3 (0.6) |
| BMI | ||
| Mean (SD) | 24 (4.5) | 24 (4.1) |
| Missing | 1 (0.2) | 7 (1) |
| Cognitive dysfunction | ||
| Yes | 57 (11) | 51 (9) |
| No | 467 (87) | 492 (91) |
| Missing | 10 (2) | 0 (0.0) |
| Indication for surgery | ||
| Primary OA | 124 (23) | 94 (17) |
| Femoral neck fracture | 383 (72) | 421 (78) |
| Other arthritic | 16 (3) | 17 (3) |
| Other fracture | 11 (2) | 11 (2) |
| Type of hip arthroplasty) | ||
| Total | 248 (46) | 211 (39) |
| Hemi | 286 (54) | 332 (61) |
| Surgical approach | ||
| Direct lateral | 354 (66) | 411 (76) |
| Posterolateral | 180 (34) | 132 (24) |