Table 3.
Adjusted hazard ratios from multivariable analysis with revision as endpoint in patients undergoing total hip replacement
| Variable | Hazard ratio (95% CI) | P value |
|---|---|---|
| Surgery: | ||
| Uncemented | — | — |
| Cemented | 0.58 (0.54 to 0.62) | <0.001 |
| Age (years) | 0.99 (0.98 to 0.99) | <0.001 |
| ASA (American Society of Anesthesiologists) grade: | ||
| 1 | — | — |
| 2 | 1.09 (1.00 to 1.19) | 0.064 |
| 3 | 1.38 (1.22 to 1.55) | <0.001 |
| 4 | 0.60 (0.30 to 1.20) | 0.151 |
| 5* | — | — |
| Sex: | ||
| Female | — | — |
| Male | 1.15 (1.08 to 1.23) | <0.001 |
*Not estimable because there were too few patients and events in this group