Postoperative complications of matched cohort of patients who underwent total joint arthroplasty
| Characteristic | Total hip arthroplasty | Total knee arthroplasty | ||||
|---|---|---|---|---|---|---|
| No. (%) of patients with spinal anesthesia n = 3050 | No. (%) of patients with general anesthesia n = 3050 | OR spinal v. general anesthesia (95% CI) | No. (%) of patients with spinal anesthesia n = 2790 | No. (%) of patients with general anesthesia n = 2790 | OR spinal v. general anesthesia (95% CI) | |
| Myocardial infarction | 5 (0.16) | 3 (0.1) | 1.08 (1.07 to 1.08) | 1 (0.04) | 7 (0.25) | 0.55 (0.27 to 0.96) |
| Pneumonia | 0 (0) | 1 (0.03) | 0.65 (0.02 to 3.44) | 4 (0.14) | 7 (0.25) | 0.84 (0.74 to 0.93) |
| Gastrointestinal bleed | 3 (0.10) | 1 (0.03) | 1.59 (0.53 to 8.68) | 1 (0.04) | 2 (0.07) | 0.82 (0.04 to 8.03) |
| Ileus | 12 (0.39) | 6 (0.2) | 1.29 (1.25 to 1.34) | 9 (0.32) | 8 (0.29) | 1.07 (0.93 to 1.23) |
| Bleeding* | 16 (0.52) | 24 (0.79) | 0.89 (0.86 to 0.91) | 20 (0.72) | 22 (0.79) | 0.96 (0.90 to 1.02) |
| Delirium | 11 (0.36) | 14 (0.46) | 0.98 (0.97 to 0.98) | 14 (0.50) | 8 (0.29) | 1.10 (1.07 to 1.13) |
| Acute kidney injury | 3 (0.10) | 2 (0.07) | 1.07 (1.03 to 1.12) | 2 (0.07) | 6 (0.22) | 0.86 (0.85 to 0.87) |
CI = confidence interval, OR = odds ratio.
↵* Bleeding, defined as any of the following codes from the International Classification of Diseases, 10th edition: D500 — anemia due to blood loss; D62 — acute anemia; D683 — hemorrhagic disorders due to anticoagulants; D69 — other hemorrhagic conditions; G361 — hemorrhagic leukoencephalitis; H113 — conjunctival hemorrhage; H356 — retinal hemorrhage; H431 — vitreous hemorrhage; H450 — vitreous hemorrhage; I60 — hemorrhage; I61 — hemorrhage; I62 — hemorrhage; J942 — hemothorax; J9500 — hemorrhage from tracheostomy stoma; K5520 —angiodysplasia; K625 — hemorrhage of anus and rectum; K661 — hemoperitoneum; M250 — haemarthrosis; R04 — hemorrhage from respiratory passages; R31 — hematuria; R58 — hemorrhage, NEC; R823 — hemoglubinuria; S064 — epidural hemorrhage;T810 — hemorrhage and hematoma, NEC.