Variable | Total cohort | Hip | Knee | Range |
n=1191 | n=758 (64%) | n=433 (36%) | ||
Mean age (year) | 63 | 61 | 65 | 18–96 |
Age | ||||
<65 | 673 (56%) | 447 (59%) | 226 (52%) | |
≥65 | 518 (44%) | 331 (41%) | 207 (48%) | |
ASA class‡ | ||||
≤2 | 964 (81%) | 631 (84%) | 333 (78%) | |
≥3 | 210 (18%) | 117 (16%) | 93 (22%) | |
Mean BMI | 28 | 27 | 29 | 14–51 |
BMI | ||||
BMI<25* | 356 (30%) | 259 (34%) | 97 (22%) | |
25≤BMI<30 | 474 (40%) | 307 (41%) | 167 (39%) | |
BMI≥30 | 361 (30%) | 192 (25%) | 169 (39%) | |
Sex | ||||
Women | 664 (56%) | 387 (51%) | 277 (64%) | |
Men | 527 (44%) | 371 (49%) | 156 (36%) | |
Smoking† | ||||
No | 1064 (90%) | 673 (89%) | 391 (90%) | |
Yes | 122 (10%) | 81 (11%) | 41 (10%) | |
Diabetes | ||||
No | 1067 (90%) | 686 (91%) | 381 (88%) | |
Yes | 124 (10%) | 72 (9%) | 52 (12%) | |
Rheumatological disease | ||||
No | 1052 (88%) | 690 (91%) | 362 (84%) | |
Yes | 139 (12%) | 68 (9%) | 71 (16%) |
*Underweight 17 cases (BMI<18.5).
†Missing data in 5 cases.
‡Missing data in 17 cases.
ASA, American Society of Anesthesiologists; BMI, body mass index.