Length of stay, estimated cost, QALY gain and cost/QALY by Oxford Hip Score (OHS) quintile
| OHS (score band) | N | Length stay/day | Estimated cost/£ | QALY gain | Cost/QALY | ||||
| Mean | SD | Median | IQR | Mean | 95% CI | Mean | 95% CI* | ||
| Quintile 1 (13–37) | 191 | 10.2 | 4.1 | 5084 | 4588–6075 | 0.61 | 0.52 to 0.70 | 9188 | 7893 to 10915 |
| Quintile 2 (38–43) | 206 | 11.3 | 10.2 | 4981 | 4588–5767 | 0.83 | 0.74 to 0.91 | 7102 | 6126 to 8186 |
| Quintile 3 (44–47) | 174 | 10.4 | 5.7 | 4981 | 4391–5812 | 0.70 | 0.61 to 0.80 | 7907 | 6814 to 9253 |
| Quintile 4 (48–51) | 191 | 11.0 | 7.0 | 5233 | 4720–6160 | 0.89 | 0.79 to 0.99 | 6628 | 5830 to 7577 |
| Quintile 5 (52–60) | 176 | 11.2 | 7.5 | 5084 | 4720–5812 | 0.98 | 0.87 to 1.08 | 5924 | 5189 to 6826 |
↵* Bootstrapped, bias-corrected CI, based on 10 000 bootstrap replications.
QALY, quality-adjusted life year.