Table 1 Demographic data among two groups
MMA (n = 48) | Extended MMA (n = 47) | P value | |
|---|---|---|---|
Average age, years | 17.4 ± 2.49 | 18.9 ± 3.47 | 0.845 |
Sex (female vs male) | 36:12 | 33:14 | 0.769 |
Side (L:R) | 42:6 | 40:7 | 0.967 |
Duration of symptom, years | 9.31 ± 1.76 | 10.11 ± 0.85 | 0.713 |
Average operation time, minutes | 37.61 ± 5.42 | 48.64 ± 5.42 | < 0.01 |
Follow-up time, years | 25.21 ± 1.39 | 26.03 ± 1.92 | 0.861 |