Table 2.

The significant relation of IgE and IL-4 levels of children and PM2.5-bound metal(loid)s from Padad, Golestan and Kianpars

Parameter	Regions									P value
	Padad			Golestan			Kianpars
	N = 24			N = 24			N = 24
pollutants	CI5%	Mean	CI95%	CI5%	Mean	CI95%	CI5%	Mean	CI95%
PM2.5 (μg/m3)	61.56	68.56	75.57	59.27	67.06	74.84	45.94	55.31	64.67	0.031
As (ng/m3)	70.89	94.51	118.12	33.07	38.99	44.91	13.05	19.79	26.54	<0.001
Cd (ng/m3)	7.52	8.06	8.59	6.64	7.24	7.84	4.23	4.44	4.67	<0.001
Cr (ng/m3)	14.22	15.06	15.91	13.61	14.45	15.3	10.63	11.01	11.4	<0.001
Hg (ng/m3)	6.51	7.11	7.72	6.24	6.42	6.59	4.15	4.21	4.28	<0.001
Ni (ng/m3)	11.86	12.63	13.41	10.88	11.48	12.07	7.49	8.15	8.81	<0.001
Pb (ng/m3)	200.68	298.38	396.1	385.88	443.77	501.66	165.81	209.3	252.7	<0.001
Blood IgE and IL-4	N = 49			N = 49			N = 25			p value
IgE (pg/200landa)	104.88	141.63	178.38	60.1	86.99	113.89	36.33	58.96	81.58	0.003
IL-4 (pg/200landa)	372.31	505.5	638.67	131.23	198.92	266.6	80.02	127.27	174.52	<0.001
IL-13 (pg/200landa)	39.24	53.21	67.19	17.95	27.77	37.59	9.02	13.91	18.8	<0.001