Spinal anesthesia (n=1463) | General anesthesia (n=974) | P value | |
Age, median (IQR) | 84 (77–89) | 83 (75–89) | <0.001 |
Sex, n (%) | 0.002 | ||
Female | 949 (64.9) | 692 (71.0) | |
Male | 514 (35.1) | 282 (29.0) | |
Charlson Comorbidity Index, n (%) | 0.247 | ||
≤4 | 455 (31.1) | 327 (33.6) | |
5–6 | 571 (39.0) | 349 (35.8) | |
≥7 | 437 (29.9) | 298 (30.6) | |
ASA classification, n (%) | 0.797 | ||
1 | 111 (7.6) | 73 (7.5) | |
2 | 611 (41.8) | 388 (39.8) | |
3 | 629 (43.0) | 431 (44.3) | |
4 | 107 (7.3) | 77 (7.9) | |
Missing | 5 (0.3) | 5 (0.5) | |
Type of fracture, n (%) | 0.013 | ||
Non-displaced cervical (Garden 1–2) | 186 (12.7) | 135 (13.9) | |
Displaced cervical (Garden 3–4) | 497 (34.0) | 372 (38.2) | |
Basicervical | 57 (3.9) | 54 (5.5) | |
Peritrochanteric (two fragments) | 381 (26.0) | 204 (20.9) | |
Peritrochanteric (multiple fragments) | 237 (16.2) | 142 (14.6) | |
Subtrochanteric | 105 (7.2) | 67 (6.9) | |
Preoperative fascia iliaca compartment block, n (%) | 99 (6.8) | 139 (14.3) | <0.001 |
Missing | 2 (0.1) | 1 (0.1) | |
Type of surgery, n (%) | <0.001 | ||
Pins or screws | 296 (20.2) | 193 (19.8) | |
Pins or screws with sideplate | 548 (37.5) | 333 (34.2) | |
Intramedullary nail | 248 (17.0) | 151 (15.5) | |
Hemiarthroplasty | 254 (17.4) | 236 (24.2) | |
Total hip replacement | 117 (8.0) | 61 (6.3) | |
Revised Cardiac Risk Index, n (%) | 0.278 | ||
<2 | 1184 (80.9) | 806 (82.8) | |
≥2 | 279 (19.1) | 168 (17.2) | |
Duration of surgery, median (IQR) | 45 (26–72) | 46 (28–71) | 0.359 |
Missing, n (%) | 87 (5.9) | 32 (3.3) | |
Out-of-hours surgery, n (%) | 597 (40.8) | 359 (36.9) | 0.056 |
ASA, American Society of Anesthesiologists.