Table 1

Demographics and clinical features in patients undergoing hip fracture surgery with spinal or general anesthesia.

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
 Female949 (64.9)692 (71.0)
 Male514 (35.1)282 (29.0)
Charlson Comorbidity Index, n (%)0.247
 ≤4455 (31.1)327 (33.6)
 5–6571 (39.0)349 (35.8)
 ≥7437 (29.9)298 (30.6)
ASA classification, n (%)0.797
 1111 (7.6)73 (7.5)
 2611 (41.8)388 (39.8)
 3629 (43.0)431 (44.3)
 4107 (7.3)77 (7.9)
 Missing5 (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)
 Basicervical57 (3.9)54 (5.5)
 Peritrochanteric (two fragments)381 (26.0)204 (20.9)
 Peritrochanteric (multiple fragments)237 (16.2)142 (14.6)
 Subtrochanteric105 (7.2)67 (6.9)
Preoperative fascia iliaca compartment block, n (%)99 (6.8)139 (14.3)<0.001
 Missing2 (0.1)1 (0.1)
Type of surgery, n (%)<0.001
 Pins or screws296 (20.2)193 (19.8)
 Pins or screws with sideplate548 (37.5)333 (34.2)
 Intramedullary nail248 (17.0)151 (15.5)
 Hemiarthroplasty254 (17.4)236 (24.2)
 Total hip replacement117 (8.0)61 (6.3)
Revised Cardiac Risk Index, n (%)0.278
 <21184 (80.9)806 (82.8)
 ≥2279 (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.