Table 2.
Primary and secondary outcome measures by treatment
| Outcomes | Intramedullary nail | Sliding hip screw | Odds ratio* (95% CI) |
|---|---|---|---|
| Primary | |||
| Crude revision surgery rate | 7.2% | 5.5% | 1.35 (1.16–1.57) |
| Crude 30-day mortality | 14.2% | 15.8% | 0.99 (0.89–1.11) |
| Crude 1 year mortality | 30.7% | 32.5% | 1.0 (0.9–1.07) |
| Secondary | Adjusted difference IMN − SHS | ||
| Index length of stay | 6.5 days | 6.3 days | 0.17 ( 0.012–0.32) |
| Inpatient days during first 6 months | 9.6 days | 9.3 days | 0.17 (−0.15–0.49) |
| Days with usage of rehabilitation services during first 6 months | 10.2 days | 9.5 days | 0.56 (0.07–0.93) |
| Utilization costs during first year | $16,854 | $15,710 | $947 (581–1313) |
* Adjusted odds ratio for outcome with IMN relative to SHS.