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Mean QHES scores of CEA studies in this review stratified by comparator type (n = 30).
| Comparator Type | Mean QHES (n) |
|---|---|
| UKA vs TKA | 84.8 (8) |
| Resurfacing vs no resurfacing in TKA | 90 (2) |
| Other | 87.3 (3) |
| Computer-assisted TKA vs non-assisted TKA | 86.7 (3) |
| TKA vs non-operative management | 84.8 (5) |
| Multiple surgical comparator studies | 79.6 (8) |
| TKA implant type | 80 (4) |
