Research Article

Polycyclic Aromatic Hydrocarbons Concentrations in Drinking Water in Villages along the Huai River in China and Their Association with High Cancer Incidence in Local Population

Table 4

Comparison of PAHs between risk and control groups by water source.

ā€‰Risk group GM (95% CI) (ng/L)Control group GM (95% CI) (ng/L) (risk versus control)
ā€‰Surface water (SW)Shallow groundwater (SG)Deep groundwater (DG)Surface water (SW)Shallow groundwater (SG)Deep groundwater (DG) (SW) (SG) (DG) (all)

Nap561.0 (294.7, 1068.0)181.7 (97.9, 337.5)161.8 (94.1, 278.2)0.00984.0 (172.1, 5625.6)139.0 (35.9, 538.1)230.5 (52.6, 1010.9)0.120.410.700.660.86
Acy17.9 (12.0, 26.8)10.1 (7.3, 14.0)8.2 (5.9, 11.3)0.0043.2 (16.7, 111.7)6.7 (2.9, 15.6)9.3 (4.1, 21.5)0.010.040.170.750.89
Ace28.6 (16.3, 50.1)10.9 (6.3, 19.2)10.5 (6.7, 16.5)0.0146.2 (9.9, 215.0)6.5 (2.1, 20.5)8.8 (2.4, 32.5)0.070.480.400.740.62
Fl144.4 (84.8, 246.1)57.2 (34.6, 94.6)53.9 (34.2, 84.7)0.01278.6 (60.9, 1274.6)42.8 (13.8, 132.1)48.4 (13.3, 176.3)0.070.300.580.650.73
Phe206.4 (117.1 363.7)78.8 (44.1, 140.7)88.5 (54.0, 145.0)0.03475.5 (90.6, 2494.7)94.0 (27.4, 323.0)82.4 (22.1, 308.0)0.120.230.780.900.57
Ant15.7 (9.3, 26.6)7.7 (4.6, 12.7)8.4 (5.1, 13.7)0.0737.1 (8.4, 163.1)12.1 (3.9, 37.3)7.4 (2.2, 24.9)0.160.190.380.710.43
Flu46.3 (31.9, 67.0)32.6 (22.4, 47.2)21.4 (14.1, 32.4)0.0289.4 (32.9, 242.0)35.6 (12.7, 99.9)25.1 (10.9, 57.9)0.140.150.840.720.37
Pyr35.1 (25.3, 48.5)32.0 (22.5, 45.6)24.3 (18.4, 32.1)0.2667.7 (30.1, 152.1)27.4 (13.1, 57.6)20.8 (9.9, 43.6)0.080.090.710.540.93
BaA4.6 (3.2, 6.6)3.9 (2.6, 6.0)3.2 (2.3, 4.4)0.386.4 (3.5, 11.5)4.5 (1.7, 11.7)3.2 (1.7, 6.1)0.410.440.800.970.64
Chy16.7 (12.2, 22.9)10.7 (7.5, 15.2)8.9 (6.8, 11.8)0.0228.9 (12.5, 66.5)11.9 (4.8, 29.6)9.3 (5.0, 17.0)0.100.160.790.920.44
BbF3.5 (2.5, 5.0)2.9 (2.1, 4.2)2.3 (1.6, 3.3)0.242.6 (1.2, 5.9)2.7 (1.2, 6.2)2.9 (1.7, 5.1)0.970.470.820.540.83
BkF26.4 (15.1, 46.0)12.9 (7.9, 21.2)17.7 (10.9, 28.8)0.3733.7 (17.2, 66.2)9.1 (2.5, 32.7)13.2 (4.5, 38.6)0.310.730.700.540.64
BaP9.6 (7.1, 12.9)7.3 (4.8, 11.2)4.2 (3.1, 5.7)0.007.7 (3.6, 16.2)4.5 (2.8, 7.4)4.5 (2.6, 7.9)0.280.520.250.850.35
IcdP8.2 (4.9, 13.7)7.1 (4.7, 10.7)5.2 (3.6, 7.3)0.4312.7 (5.4, 29.6)8.1 (5.3, 12.2)5.3 (1.9, 14.9)0.500.690.610.650.92
BghiP8.8 (6.2, 12.7)6.0 (4.4, 8.3)4.7 (3.5, 6.3)0.0213.5 (5.9, 30.7)3.9 (1.7, 8.9)5.7 (2.9, 11.4)0.040.290.210.540.88
PAHs1274.7 (731.3, 2221.7)555.9 (340.5, 907.4)475.4 (303.3, 745.3)0.032308 (492, 10834)494.6 (155.9, 1569.5)551.1 (159.6, 1903.1)0.180.650.690.310.75
(PAHs-c)65.9 (46.3, 93.9)38.7 (25.9, 57.8)35.1 (25.1, 49)0.0379.4 (33.4, 188.7)39.4 (17.3, 90.1)30.1 (13.8, 65.8)0.160.720.970.640.85
BaPeq14 (9.2, 21.1)7.5 (4.4, 12.7)7.6 (5.4, 10.6)0.1816.8 (6.9, 41.1)6.6 (2.8, 15.9)6.1 (2.2, 17.1)0.150.900.680.580.55

ANOVA results of PAHs in SW, SG, and DG. , .
Carcinogenic PAHs.