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Patients’ demographics in the two groups
| Demographics | MMV group | MPP group | p value |
|---|---|---|---|
| Total patients | 330 | 330 | – |
| Age (years) | 65.2 ± 7.7 | 66 ± 8.1 | 0.08 |
| BMI (kg/m2) | 26.2 ± 3.9 | 25.6 ± 3.7 | 0.46 |
| Sex | 0.58 | ||
| Male | 82 (24.8%) | 76 (23%) | – |
| Female | 248 (75.2%) | 254 (77%) | – |
| Follow-up time (years) | 3.5 ± 0.4 | 3.6 ± 0.3 | 0.51 |
MMV mini-midvastus, MPP medial parapatellar, BMI body mass index; mean ± standard deviation
