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Table 1 Demographic characteristics in keratoconus patients and controls

From: Polymorphism rs13334190 in zinc finger protein 469 (ZNF469) is not a risk factor for keratoconus in a Saudi cohort

Demographic characteristics Patients (n = 127) No. (%) Controls (n = 168) No. (%) p value (2-tailed)
Age in years, mean (± SD) 26.9 (6.6) 46.9 (15.2) 0.000*
Male 65 (51.1) 111 (66.0) 0.010§
Female 62 (48.8) 57 (33.9)
Familial keratoconus 42 (33)
  1. t test, § Pearson Chi2 test