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Comparison of demographics between arthroscopic and open surgery group.
| Group | Number | Age (year) | BMI (kg/m2) | Time of illness (months) | Time of follow‐up (months) | Surgical time (minutes) |
|---|---|---|---|---|---|---|
| Open surgery | 26 | 22 (18, 25) | 26.98 (24.45, 28.61) | 6 (5, 11) | 10 (8, 15) | 47.73 ± 7.50 |
| Arthroscopic | 20 | 20.5 (18, 24, 75) | 24.98 (22.52, 27.74) | 8 (6, 9) | 10 (8, 11.75) | 85.70 ± 13.23 |
| Statistic value (t/Z) | −0.5 | −1.041 | −0.545 | −0.96 | −11.494 | |
| p | 0.617 | 0.298 | 0.586 | 0.339 | <0.01 |
Abbreviation: BMI, Body mass index.
