Table 3.
Incremental cost effectiveness
| Scenario | Incremental costs (95% CI) | Incremental QALYs (95% CI) | ICER (per QALY) |
|---|---|---|---|
| Base case | £564 (144 to 985) | 0.032 (−0.054 to 0.119) | £17 451 |
| Per protocol | £528 (85 to 970) | 0.024 (−0.066 to 0.113) | £22 227 |
| Complete case data (N=98) | £721 (286 to 1157) | 0.053 (−0.042 to 0.149) | £13 443 |
| Societal costs | £629 (−2456 to 3713) | 0.032 (−0.054 to 0.119) | £19 435 |
| Metal/polyethylene THA implants | £1271 (859 to 1684) | 0.032 (−0.054 to 0.119) | £39 318 |
| No metal-on-metal THA implants | £522 (76 to 968) | 0.032 (−0.054 to 0.119) | £16 137 |
| Quicker initial recovery | £564 (144 to 985) | 0.039 (−0.048 to 0.127) | £14 310 |
| QoL adjustments | £473 (113 to 853) | 0.053 (−0.014 to 0.120) | £8905 |
| QoL adjustments, males only | £402 (−82 to 916) | 0.073 (−0.012 to 0.158) | £5519 |
| QoL adjustments, females only | £598 (64 to 1172) | 0.037 (−0.070 to 0.144) | £16 272 |
ICER, incremental cost-effectiveness ratio; QoL, quality-of-life; THA, total hip arthroplasty.