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)
Nap
561.0 (294.7, 1068.0)
181.7 (97.9, 337.5)
161.8 (94.1, 278.2)
0.00
984.0 (172.1, 5625.6)
139.0 (35.9, 538.1)
230.5 (52.6, 1010.9)
0.12
0.41
0.70
0.66
0.86
Acy
17.9 (12.0, 26.8)
10.1 (7.3, 14.0)
8.2 (5.9, 11.3)
0.00
43.2 (16.7, 111.7)
6.7 (2.9, 15.6)
9.3 (4.1, 21.5)
0.01
0.04
0.17
0.75
0.89
Ace
28.6 (16.3, 50.1)
10.9 (6.3, 19.2)
10.5 (6.7, 16.5)
0.01
46.2 (9.9, 215.0)
6.5 (2.1, 20.5)
8.8 (2.4, 32.5)
0.07
0.48
0.40
0.74
0.62
Fl
144.4 (84.8, 246.1)
57.2 (34.6, 94.6)
53.9 (34.2, 84.7)
0.01
278.6 (60.9, 1274.6)
42.8 (13.8, 132.1)
48.4 (13.3, 176.3)
0.07
0.30
0.58
0.65
0.73
Phe
206.4 (117.1 363.7)
78.8 (44.1, 140.7)
88.5 (54.0, 145.0)
0.03
475.5 (90.6, 2494.7)
94.0 (27.4, 323.0)
82.4 (22.1, 308.0)
0.12
0.23
0.78
0.90
0.57
Ant
15.7 (9.3, 26.6)
7.7 (4.6, 12.7)
8.4 (5.1, 13.7)
0.07
37.1 (8.4, 163.1)
12.1 (3.9, 37.3)
7.4 (2.2, 24.9)
0.16
0.19
0.38
0.71
0.43
Flu
46.3 (31.9, 67.0)
32.6 (22.4, 47.2)
21.4 (14.1, 32.4)
0.02
89.4 (32.9, 242.0)
35.6 (12.7, 99.9)
25.1 (10.9, 57.9)
0.14
0.15
0.84
0.72
0.37
Pyr
35.1 (25.3, 48.5)
32.0 (22.5, 45.6)
24.3 (18.4, 32.1)
0.26
67.7 (30.1, 152.1)
27.4 (13.1, 57.6)
20.8 (9.9, 43.6)
0.08
0.09
0.71
0.54
0.93
BaA
4.6 (3.2, 6.6)
3.9 (2.6, 6.0)
3.2 (2.3, 4.4)
0.38
6.4 (3.5, 11.5)
4.5 (1.7, 11.7)
3.2 (1.7, 6.1)
0.41
0.44
0.80
0.97
0.64
Chy
16.7 (12.2, 22.9)
10.7 (7.5, 15.2)
8.9 (6.8, 11.8)
0.02
28.9 (12.5, 66.5)
11.9 (4.8, 29.6)
9.3 (5.0, 17.0)
0.10
0.16
0.79
0.92
0.44
BbF
3.5 (2.5, 5.0)
2.9 (2.1, 4.2)
2.3 (1.6, 3.3)
0.24
2.6 (1.2, 5.9)
2.7 (1.2, 6.2)
2.9 (1.7, 5.1)
0.97
0.47
0.82
0.54
0.83
BkF
26.4 (15.1, 46.0)
12.9 (7.9, 21.2)
17.7 (10.9, 28.8)
0.37
33.7 (17.2, 66.2)
9.1 (2.5, 32.7)
13.2 (4.5, 38.6)
0.31
0.73
0.70
0.54
0.64
BaP
9.6 (7.1, 12.9)
7.3 (4.8, 11.2)
4.2 (3.1, 5.7)
0.00
7.7 (3.6, 16.2)
4.5 (2.8, 7.4)
4.5 (2.6, 7.9)
0.28
0.52
0.25
0.85
0.35
IcdP
8.2 (4.9, 13.7)
7.1 (4.7, 10.7)
5.2 (3.6, 7.3)
0.43
12.7 (5.4, 29.6)
8.1 (5.3, 12.2)
5.3 (1.9, 14.9)
0.50
0.69
0.61
0.65
0.92
BghiP
8.8 (6.2, 12.7)
6.0 (4.4, 8.3)
4.7 (3.5, 6.3)
0.02
13.5 (5.9, 30.7)
3.9 (1.7, 8.9)
5.7 (2.9, 11.4)
0.04
0.29
0.21
0.54
0.88
PAHs
1274.7 (731.3, 2221.7)
555.9 (340.5, 907.4)
475.4 (303.3, 745.3)
0.03
2308 (492, 10834)
494.6 (155.9, 1569.5)
551.1 (159.6, 1903.1)
0.18
0.65
0.69
0.31
0.75
(PAHs-c)
65.9 (46.3, 93.9)
38.7 (25.9, 57.8)
35.1 (25.1, 49)
0.03
79.4 (33.4, 188.7)
39.4 (17.3, 90.1)
30.1 (13.8, 65.8)
0.16
0.72
0.97
0.64
0.85
BaPeq
14 (9.2, 21.1)
7.5 (4.4, 12.7)
7.6 (5.4, 10.6)
0.18
16.8 (6.9, 41.1)
6.6 (2.8, 15.9)
6.1 (2.2, 17.1)
0.15
0.90
0.68
0.58
0.55
ANOVA results of PAHs in SW, SG, and DG. , . Carcinogenic PAHs.