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Table 1.
Clinical characteristics of each study group
| Group | n | Age (years, mean) | Sex (female:male ratio) |
|---|---|---|---|
| Keratoconus | 4 | 30.5 | 2:2 |
| Pterygium | 9 | 47.2 | 3:6 |
| GVHD | 10 | 49.6 | 7:3 |
| Control | 6 | 47.5 | 5:1 |