TABLE 1.
Characteristics of healthy volunteers for building sample PLR curves.
| Volunteer characteristics | N (%) |
| Male | 16 (38.1%) |
| Female | 26 (61.9%) |
| Iris color | |
| Blue | 17 (40.5%) |
| Brown | 20 (47.6%) |
| Mixed | 5 (11.9%) |
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