Table 1 Basic characteristics in the MI group and the OS group
From: Comparison of arthroscopic internal drainage and open excision for the treatment of popliteal cysts
MI group(n = 27) | OS group(n = 75) | P value | |
|---|---|---|---|
Age (years) | 6.71 ± 2.16 | 6.21 ± 1.67 | 0.216 |
Gender(n, %) | 0.852 | ||
male | 21(77.8%) | 57(76.0%) | |
female | 6(22.2%) | 18(24.0%) | |
Left and right sides(n, %) | 0.478 | ||
left | 17(63.0%) | 42(56.0%) | |
right | 10(37.0%) | 28(37.3%) | |
double | 0 | 5(6.7%) | |
Onset time(months) | 2.00(0.75, 12.00) | 2.00(1.00, 6.00) | 0.912 |
Cyst size(cm) | 4.66 ± 1.95 | 4.43 ± 1.27 | 0.051 |
Pre-operation Rauschning-Lindgren grade | 0.526 | ||
0 | 25(92.6%) | 66(88.0%) | |
I | 1(3.7%) | 6(8.0%) | |
II | 1(3.7%) | 3(4.0%) |