Prevalence of Keratoconus in a Population-Based Study in Syria

Table 3

Summary statistics of the outcome (patient outcome) and categorical explanatory variables.

		Normal (N = 788)		Suspect (N = 39)		Keratoconus (N = 12)
		Count	Valid %	Count	Valid %	Count	Valid %
Sex	Male	304	38.57	21	53.85	4	33.33
	Female	484	61.42	18	46.15	8	66.67
University	Tishreen	665	84.39	29	74.36	9	75.00
	Damascus	123	15.61	10	25.64	3	25.00
Family history	No	788	100	39	100	10	83.33
	Yes	0	0.00	0	0.00	2	16.67
Parents relationship	No	708	89.84	39	100	10	83.33
	Yes	80	10.17	0	0.00	2	16.67
Eye rubbing	No	714	90.60	33	84.62	6	50.0
	Yes	74	9.40	6	15.38	6	50.0

N = number; column percentage calculated by variables.