Process of care | No. (%) of patients | Crude OR (95% CI) | Adjusted* OR (95% CI) | Adjusted* probability difference,† | |
---|---|---|---|---|---|
Female n = 16 162 | Male n = 6499 | ||||
Anesthesiology consultation | 1318 (8.2) | 616 (9.5) | 0.85 (0.77 to 0.94) | 0.89 (0.80 to 0.98) | −1.06 (−1.21 to −0.93) |
Wait ≤ 48 hours | 14 232 (88.1) | 5446 (83.8) | 1.42 (1.31 to 1.55) | 1.26 (1.17 to 1.36) | 3.96 (3.71 to 4.26) |
Regional analgesia | 2901 (18.0) | 1137 (17.5) | 1.03 (0.96 to 1.11) | 1.00 (0.94 to 1.07) | 0.6 (−0.39 to 0.84) |
Neuraxial anesthesia | 9108 (56.4) | 3523 (54.2) | 1.08 (1.02 to 1.15) | 0.98 (0.93 to 1.04) | 2.27 (−1.66 to 2.95) |
Note: CI = confidence interval, HOMR = Hospital-patient One-year Mortality Risk, OR = odds ratio.
↵* All adjusted analyses included age, neighbourhood income quintile, rurality, procedure, HOMR score, each Elixhauser comorbidity, each specified drug class, year of surgery, resource utilization band, frailty and long-term care residence.
↵† A description of the adjusted probability methods is provided in Appendix 2.