Table 2.

Inorganic component of PM2.5 in the blood of participants by ICP-MS tests.

Elements	Normal range	Measured blood elements value					No. of participants above normal range (%)
		Group A (n = 43)	Group B (n = 39)	Group C (n = 52)	P (A vs. B)	P (A vs. C)	Group A (n = 43)	Group B (n = 39)	Group C (n = 52)	P (A vs. B)	P (A vs. C)
K (mg/mL)	3.50-5.30	3.80 ± 0.36	3.74 ± 0.33	3.77 ± 0.35	0.44	0.68	0	0	0	1	1
Al (μg/mL)	0.005-0.465	4.19 ± 0.33	3.85 ± 0.28	0.0027 ± 0.002	<0.001	<0.001	43 (100)	39 (100)	6 (11.54)	1	<0.001
Mg (μg/mL)	3.31-5.02	4.34 ± 1.56	4.32 ± 1.45	3.17 ± 1.54	0.95	<0.001	10 (23.26)	0	1 (1.92)	0.001	<0.01
Fe (mg/mL)	3.72 -6.46	4.49 ± 0.85	4.70 ± 0.69	3.07 ± 1.19	0.23	<0.001	0	0	0	1	1
Ca (μg/mL)	4.57-7.58	8.21 ± 5.81	7.79 ± 3.83	6.01 ± 2.68	0.70	0.02	25 (58.14)	15 (38.46)	3 (5.77)	0.07	<0.001
Pb (μg/mL)	0.0225-0.13	2.53 ± 2.98	2.49 ± 2.45	0.13 ± 0.11	0.94	<0.001	43 (100)	39 (100)	10 (19.23)	1	<0.001
Zn (ug/mL)	6.32-22.57	11.57 ± 7.88	11.30 ± 6.98	8.40 ± 3.29	0.87	<0.01	5 (11.62)	6 (15.38)	1 (1.92)	0.62	0.09
Ba (μg/mL)	0.002-0.218	0.49 ± 0.55	0.39 ± 0.35	0.15 ± 0.15	0.33	<0.001	43 (100)	26 (66.67)	5 (9.61)	<0.001	<0.001
Cu (μg/mL)	0.66-1.05	0.92 ± 0.26	0.91 ± 0.18	0.30 ± 0.02	0.84	<0.001	10 (23.26)	6 (15.38)	0	0.37	<0.001
Cr (μg/mL)	0.003-0.025	1.088 ± 0.8	0.89 ± 0.63	0.04 ± 0.01	0.22	<0.001	43 (100)	39 (100)	52 (100)	1	1
Ti (μg/mL)	0.105-0.292	4.32 ± 3.26	3.88 ± 3.03	0.032 ± 0.039	0.53	<0.001	43 (100)	39 (100)	0	1	<0.001
Mn (μg/mL)	0.008 -0.028	0.187 ± 0.35	0.13 ± 0.08	0.102 ± 0.04	0.32	0.09	43 (100)	39 (100)	6 (11.54)	1	<0.001
Rb (μg/mL)	2.12-4.46	2.45 ± 0.56	2.58 ± 0.48	2.51 ± 0.65	0.26	0.48	0	0	0	1	1
Cd (μg/mL)	0.0007-0.002	0.067 ± 0.08	0.069 ± 0.06	0.009 ± 0.02	0.90	<0.001	43 (100)	39 (100)	14 (26.92)	1	<0.001
Sr (μg/mL)	0.012-0.05	0.076 ± 0.04	0.072 ± 0.036	0.014 ± 0.037	0.64	<0.001	21 (48.83)	23 (58.85)	2 (3.85)	0.36	<0.001
Ni (μg/mL)	0.009-0.036	0.081 ± 0.074	0.062 ± 0.048	0.004 ± 0.005	0.18	<0.001	30 (69.76)	28 (71.79)	1 (1.92)	0.97	<0.001
V (μg/mL)	0.0006-0.005	0.056 ± 0.05	0.046 ± 0.04	0.001 ± 0.0006	0.32	<0.001	43 (100)	39 (100)	0	1	<0.001
Ag (μg/mL)	0.00005-0.002	0.009 ± 0.02	0.006 ± 0.007	0.0017 ± 0.001	0.38	0.01	43 (100)	39 (100)	13 (25)	1	<0.001
Se (μg/mL)	0.171-0.310	0.129 ± 0.12	0.110 ± 0.02	0.0008 ± 0.001	0.33	<0.001	1 (2.32)	0	0	1	0.45
Mo (μg/mL)	0.0005-0.004	0.008 ± 0.008	0.006 ± 0.006	0.0008 ± 0.001	0.21	<0.001	5 (11.62)	3 (7.69)	3 (5.77)	0.72	0.46
Co (μg/mL)	0.005-0.89	0.003 ± 0.002	0.002 ± 0.001	0.0002 ± 0.0001	<0.01	<0.001	0	0	0	1	1
Sb (μg/mL)	0.01-29.5	0.013 ± 0.007	0.013 ± 0.006	0.0002 ± 0.0001	1	<0.001	1 (2.32)	0	0	1	0.45
Tl (μg/mL)	0.001-0.50	0.001 ± 0.007	0.001 ± 0.001	0.02 ± 0.014	1	<0.001	0	0	0	1	1
As (μg/mL)	0.002-0.017	0.132 ± 0.10	0.109 ± 0.06	0.006 ± 0.006	0.22	<0.001	43 (100)	39 (100)	6 (11.54)	1	<0.001