Table 2 Comparison of clinical data (n, %)
Factor | Experimental group (n = 53) | Control group (n = 47) | χ2 | p |
|---|---|---|---|---|
Gender | 0.045 | 0.832 | ||
 Male | 28 (52.83) | 25 (53.19) |  |  |
 Female | 25 (47.17) | 22 (46.81) |  |  |
Age (year) | 0.011 | 0.916 | ||
  > 10 years | 22 (41.51) | 20 (42.55) |  |  |
  ≤ 10 years | 31 (58.49) | 27 (57.45) |  |  |
Course of disease | 0.645 | 0.422 | ||
  > 6 months | 10 (18.87) | 12 (25.53) |  |  |
  ≤ 6 months | 43 (81.13) | 35 (74.47) |  |  |
Diopter | 3.84 ± 0.92 | 3.62 ± 0.84 | 1.758 | 0.080 |