Table 1.
Characteristics of the study population
| Variable |
SCXL N = 91 eyes |
ACXL N = 92 eyes |
TCXL N = 88 eyes |
P | P1 | P2 | P3 |
|---|---|---|---|---|---|---|---|
| Age/years | |||||||
| Mean ± SD | 14.13 ± 2.18 | 14.4 ± 2.09 | 14.57 ± 2.03 | 0.72 | 1.00 | 1.00 | 1.00 |
| Median (range) | 15 (9:17) | 15 (9:17) | 15 (10:17) | ||||
| Gender | |||||||
| Patients (136) | 46 | 46 | 44 | 0.56 | 0.84 | 0.60 | 0.79 |
| Male (67) | 23 (50%) | 24 (52.17%) | 20 (45.45%) | ||||
| Female (69) | 23 (50%) | 22 (47.83%) | 24 (54.55%) | ||||
| Preoperative history of VKC/RUBBING | |||||||
| Patients (136) | 46 | 46 | 44 | 0.44 | 0.83 | 0.58 | 0.86 |
| No (98) | 31 (67.39%) | 34 (73.91%) | 33 (75.00%) | ||||
| Yes (38) | 15 (32.61%) | 12 (26.09%) | 11 (25.00%) | ||||
| Preoperative KC grading | |||||||
| Eyes (271) | 91 | 92 | 88 | 0.24 | 0.32 | 0.10 | 0.38 |
| Grade 1 (58) | 15 (16.48%) | 19 (20.65%) | 22 (25.00%) | ||||
| Grade 2 (128) | 47 (51.65%) | 42 (45.65%) | 41 (46.59%) | ||||
| Grade 3 (85) | 29 (31.87%) | 31 (33.70%) | 25 (28.41%) | ||||
P compared the 3 groups, P1 compared SCXL & ACXL, P2 compared SCXL & TCXL, P3 compared ACXL & TCXL.