Table 1.
People demographics
| Characteristic | Total (n = 211) |
Revision (n = 50) |
Non revision (n = 161) |
p-value |
|---|---|---|---|---|
| Sex, n (%) | 0.052# | |||
| Male | 118(55.92) | 22(18.64) | 96(81.36) | |
| Female | 93(44.08) | 28(30.11) | 65(69.89) | |
| Initial operation age (yrs) | < 0.001^ | |||
| Median (IQR) | 9.00(6.00) | 10.00(6.00) | 9.00(6.00) | |
| Mean (SD) | 10.06(5.48) | 11.19(5.52) | 9.58(5.42) | |
| Angle | 0.931^ | |||
| Median (IQR) | 29.80(21.10) | 44.20(43.80) | 27.50(15.25) | |
| Sillence, n (%) | ||||
| Type I | 40(18.96) | 6(12.00) | 34(21.12) | 0.068# |
| Type III | 62(29.38) | 19(38.00) | 43(26.71) | |
| Type IV | 109(51.66) | 25(50.00) | 84(52.17) | |
SD = Standard Deviation, IQR: interquartile range. #Pearson's chi-square; ^Mann–Whitney U test