Table 5 Unmatched analysis—in-hospital complications of dialysis patients and the control group
Post-operative variables | Dialysis group (418) | Control group (557,953) | Odds ratio (dialysis/control group) | Odds ratio 95% confidence interval | Significance |
|---|---|---|---|---|---|
Died during hospitalization | 0.2% | 197 (0.03%) | 6.8 | (1, 48.5) | < 0.001 |
Acute renal failure | 0.7% | 11,082 (2%) | 0.4 | (0.1, 1.1) | 0.1 |
Myocardial infarction | 0 | 109 (0.01%) | 0.99 | (0.99, 0.99) | 0.8 |
Blood loss anemia | 90 (21.5%) | 85,467 (15.3%) | 1.5 | (1.2, 1.9) | < 0.001 |
Pneumonia | 0.5% | 1086 (0.2%) | 2.5 | (0.6, 9.9) | 0.19 |
Blood transfusion | 45 (10.8%) | 8209 (1.5%) | 8.1 | (5.9, 11) | < 0.001 |
Pulmonary embolism | 0 | 1238 (0.2%) | 0.99 | (0.99, 0.99) | 0.34 |
Deep vein thrombosis | 0.7% | 1260 (0.2%) | 2.1 | (0.5, 8.5) | 0.28 |
Periprosthetic fracture | 5 (2%) | 2358 (0.4%) | 2.9 | (1.2, 6.9) | 0.02 |
Periprosthetic dislocation | 2% | 4257 (0.8%) | 1.6 | (0.7, 3.8) | 0.31 |
Periprosthetic infection | 23 (5.5%) | 5779 (1%) | 5.6 | (3.7, 8.5) | < 0.001 |
Periprosthetic mechanical complication | 2% | 4499 (0.8%) | 1.5 | (0.6, 3.6) | 0.37 |