Table 2.
Frequencies and odds for postoperative complications
| Outcome | Matched cohort comparison | |||
|---|---|---|---|---|
| OA | FNF | OR (95% CI) | p value | |
| Complication (overall) | 6% | 16% | 2.80 (2.05–3.84) | <0.001* |
| Complication (surgical) | 2% | 4% | 2.04 (1.13–3.67) | 0.018* |
| Infection–superficial | 1% | 1% | 1.10 (0.47–2.61) | 0.826 |
| Infection–deep | 0.4% | 0.5% | 1.25 (0.33–4.67) | 0.739 |
| Wound dehiscence | 0.1% | 0.2% | 2.00 (0.18–22.12) | 0.571 |
| Reoperation | 1% | 3% | 2.53 (1.11–5.78) | 0.028* |
| Complication (medical) | 5% | 13% | 3.13 (2.20–4.45) | <0.001* |
| Pneumonia | 0% | 3% | 6.13 (2.12–17.73) | <0.001* |
| Unplanned intubation | 0% | 2% | 3.44 (1.27–9.37) | 0.016* |
| DVT | 0% | 1% | 4.53 (0.98–21.04) | 0.054 |
| PE | 0% | 1% | 4.53 (0.98–21.04) | 0.054 |
| Ventilator over 48 hours | 0% | 1% | 10.10 (1.29–79.03) | 0.028* |
| Renal insufficiency | 0% | 1% | 5.02 (0.59–43.06) | 0.141 |
| Acute renal failure | 0.0% | 0.1% | 1.73 (0.11–27.68) | 0.700 |
| Urinary tract infection | 2% | 5% | 2.10 (1.26–3.48) | 0.004* |
| Stroke | 0% | 1% | 3.52 (0.73–16.98) | 0.117 |
| Cardiac arrest | 0% | 1% | 5.04 (1.10–23.08) | 0.037* |
| Myocardial infarction | 1% | 1% | 1.50 (0.53–4.24) | 0.440 |
| Sepsis | 0% | 1% | 4.38 (1.24–15.42) | 0.021* |
| Death | 0% | 3% | 9.59 (2.90–31.64) | <0.001* |
| Unplanned readmission | 2% | 4% | 1.80 (1.00–3.24) | 0.049* |
| Discharge to IP facility | 55% | 67% | 1.68 (1.39–2.02) | <0.001* |
* Probability values < 0.05; OA = osteoarthritis; FNF = femoral neck fracture; OR = odds ratio; CI = confidence interval; DVT = deep venous thrombosis; PE = pulmonary embolism; IP = inpatient.