Table 1 Baseline characteristics for the pooled study population by anaesthesia subgroups
General anaesthesia | Neuraxial anaesthesia | Combination | |
|---|---|---|---|
Number of patients | 2311 | 4212 | 1539 |
Female, n (%) | 1406 (60.8) | 2471 (58.7) | 902 (58.6) |
Mean age, years ± SD | 64.4 ± 10.5 | 66.2 ± 9.7* | 65.6 ± 10.2* |
Mean BMI, kg/m2 ± SD | 30.2 ± 5.9 | 28.8 ± 4.9* | 30.1 ± 5.8 |
CrCl, mL/min | |||
Median | 86.3 | 82.4* | 82.9* |
Minimum | 22.0 | 20.9 | 25.0 |
Maximum | 295.7 | 289.6 | 231.6 |
Smoker or ex-smoker, n (%) | 945 (40.9) | 1483 (35.2)* | 650 (42.2) |
Hypertension, n (%) | 1353 (58.5) | 2203 (52.3)* | 862 (56.0) |
>75 years, n (%) | 315 (13.6) | 746 (17.7)* | 266 (17.3)* |
<50 CrCl, n (%) | 156 (6.8) | 341 (8.1) | 126 (8.2) |
>75 years or <50 CrCl, n (%) | 371 (16.1) | 870 (20.7)* | 299 (19.4)* |