From: Hyperpigmented spots at fundus examination: a new ocular sign in Neurofibromatosis Type I
Characteristics | NF1 (n = 249) | Control (n = 150) | P value |
---|---|---|---|
Age (mean ± SD) | 33 ± 17.1 | 34.5 ± 16.9 | 0.407b |
Gender (n) | |||
 Males | 110 | 62 | 0.603a |
 Females | 139 | 88 |  |
Refractive error (%) | |||
 Myopia | 21.3 | 22.7 | 0.823a |
 Hyperopia | 6.4 | 9.3 | 0.424a |
 Astigmatism | 25.7 | 20 | 0.223a |