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Baseline data before and after PSM analysis
| Characteristics | Before PSM | After PSM | ||||
|---|---|---|---|---|---|---|
| TKA | UKA | P-value | TKA | UKA | P-value | |
| Age (years) | 65.15 ± 9.62 | 60.83 ± 8.32 | < 0.01 | 61.13 ± 8.66 | 60.83 ± 8.32 | 0.7366 |
| BMI (kg/m2) | 31.08 ± 8.49 | 25.86 ± 8.49 | < 0.01 | 25.76 ± 6.09 | 25.86 ± 8.49 | 0.8274 |
| Gender | ||||||
| Male | 1685(24.85%) | 36(20.11%) | 0.1728 | 36(20.11%) | 36(20.11%) | 0.2711 |
| Female | 5095(75.15%) | 143(79.89%) | 143(79.89%) | 143(79.89%) | ||
