Table 1.
Characteristics of patients who underwent total hip arthroplasty
| Characteristic | Patients; weight class | p value | ||||
|---|---|---|---|---|---|---|
| Normal weight n = 2031 | Overweight n = 3832 | Class I obese n = 2896 | Class II obese n = 1332 | Class III obese n = 811 | ||
| Age, mean, yr | 67.1I’v | 67.0 | 65.4 | 63.7 | 61.3 | < 0.001* |
| Sex, no. (%) | ||||||
| Male | 545 (26.8) | 1877 (49.0) | 1453 (50.0) | 611 (45.9) | 340 (41.9) | < 0.001† |
| Female | 1486 (73.2) | 1955 (51.0) | 1443 (50.0) | 721 (54.1) | 471 (58.1) | |
| Presurgical risk factors, no. (%) | ||||||
| 0 | 660 (32.5) | 1230 (32.1) | 901 (31.1) | 390 (29.3) | 211 (26.0) | < 0.001† |
| 1 | 600 (29.5) | 1160 (30.3) | 870 (30.0) | 357 (26.8) | 216 (26.6) | |
| ≥ 2 | 771 (38.0) | 1441 (37.6) | 1126 (38.9) | 585 (43.9) | 384 (47.4) | |
*
Determined by analysis of variance.
†
Determined by χ2 testing.