Vernal Keratoconjunctivitis in Public Primary School Children in Nigeria: Prevalence and Nomenclature

Table 1

Age and gender distribution in the general school and VKC populations.

Age range (yrs)/gender	Frequency	Percent (100)
Age
General population
1–5	13	1.1
6–10	809	66.0
11–15	404	33.9
Total	1226	100
Mean age	9.62 ± 2.324
VKC population
1–5	7	3.1
6–10	156	70
11–15	60	26.9
Total	223	100
Mean age
Males
Female
Gender
General population
Male	638	52
Female	588	48
Total	1226	100.0
VKC population
Male	145	65
Female	78	35
Total	223	100