Research Article
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 |
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