Table 1.
Clinical and Demographic Characteristics of Keratoconus Patients
| Parameters | Total KCN Patients (N=873) | Adult KCN Patients (N=791) | Pediatric KCN Patients (N=82) |
|---|---|---|---|
| Diagnosis age (years ± SD) | 40.3 ± 17.1 | 43.0 ± 15.7 | 14.9 ± 2.5 |
| Female (n, %) | 295 (33.8) | 266 (33.6) | 29 (35.4) |
| Race (n, %) | |||
| Caucasian | 360 (41.2) | 343 (43.4) | 17 (20.7) |
| Black | 77 (8.8) | 74 (9.4) | 3 (3.7) |
| Asian | 67 (7.7) | 57 (7.2) | 10 (12.2) |
| Other | 244 (27.9) | 206 (26.0) | 38 (46.3) |
| Unknown/declined | 125 (14.3) | 111 (14.0) | 14 (17.1) |
| Developmental disability (n, %) | 57 (6.5) | 55 (7.0) | 2 (2.4) |
| Tomography first visit (n, %) | 210 (24.1) | 178 (22.5) | 32 (39.0) |
| Topography first visit (n, %) | 450 (51.5) | 408 (51.6) | 42 (51.2) |
Abbreviation: KCN, keratoconus.