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

Table 4

Relationship between primary school, environmental temperature, and clinical type of vernal keratoconjunctivitis.

School/temp °C	Clinical types of vernal keratoconjunctivitis				Chi-square	value
	Limbal	Tarsal	Mixed	Total
GPSMA/27	5 (38.8)	24 (22.9)	12 (23.5)	41 (18.4)	33.928	<0.001
ECPS/30	26 (38.8)	8 (7.6)	12 (23.5)	46 (20.6)
GPSA/29	13 (19.4)	23 (21.9)	10 (19.6)	46 (20.6)
HTPS/34	16 (23.9)	43 (41.0)	12 (23.5)	71 (31.8)
LPS/23	7 (10.4)	7 (6.7)	5 (9.8)	19 (8.5)

Statistically significant; GPSMA = Government Primary School, Mayne Avenue; ECPS = Emmanuel Church Primary School; GPSA = Government Primary School Academy; HTPS = Holy Trinity Primary School; LPS = Lutheran Primary School.