Table 3.

Association of IQ category with atopy stratified by grade

Parameter		IQ Category					Atopy
		1	2	3	4	5	χ2	P value
Class
3	Yes	1 (8.3)	6 (50)	3 (25)	1 (8.3)	1 (8.3)	6.513	0.164
	No	0 (0)	23 (79.3)	4 (13.8)	2 (6.9)	0 (0)
4	Yes	5 (41.7)	2 (16.7)	2 (16.7)	3 (25)	0 (0)	17.772	*0.001
	No	0 (0)	16 (53.3)	10 (33.3)	3 (10)	1 (3.3)
5	Yes	0 (0)	2 (28.6)	4 (57.1)	1 (14.3)	1 (3.8)	1.587	0.811
	No	4 (15.4)	6 (23.1)	12 (46.2)	3 (11.5)	0 (0)
6	Yes	-	1 (33.3)	1 (33.3)	1 (33.3)	0 (0)	3.467	0.325
	No	-	0 (0)	4 (44.4)	4 (44.4)	1 (11.1)

^*P < 0.05