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Table 1 Occupational AA-related BC cases and other BC cases by DNA adducts, age, smoking categories, pack-years, coffee consumption and genotypes

From: An etiologic prediction model incorporating biomarkers to predict the bladder cancer risk associated with occupational exposure to aromatic amines: a pilot study

Variables

15 AA-related BC cases

184 other BC cases

Mean (SD)

Number (%)

Mean (SD)

Number (%)

DNA adducts×108 nucleotides (ln)

1.40 (1.5)

 

0.76 (1.2)

 
 

≥1

 

11 (73.3)

 

69 (37.5)

Age (years)

60.0 (10.4)

 

63.4 (11.2)

 
 

≤ 56.9 years

 

7 (46.7)

 

43 (23.4)

57–65.9 years

 

3 (20.0)

 

50 (27.2)

66–70.9 years

 

3 (20.0)

 

44 (23.9)

≥ 71 years

 

2 (13.3)

 

47 (25.5)

Smoking (categories)

    
 

Non Smokers & Ex Smokers quitting >20 years

 

2 (13.3)

 

35 (19.0)

Ex Smokers quitting <20 years

 

1 (6.7)

 

60 (32.6)

Current smokers

 

12 (75.0)

 

87 (47.3)

Pack years (cigarettes smoked lifetime)

31.5 (12.3)

 

35.6 (26.2)

 
 

≤ 18.9

 

1 (6.7)

 

46 (25.1)

19–32.9

 

8 (53.3)

 

45 (24.6)

33–46.9

 

4 (26.7)

 

46 (24.6)

≥ 47

 

2 (13.3)

 

47 (25.7)

Coffee consumption (weighted mean)

2.1 (1.7)

 

2.4 (2.4)

 
 

≤ 1 cup/day

 

6 (40.0)

 

71 (38.8)

2 cups/day

 

4 (26.7)

 

36 (19.7)

3 caps/day

 

3 (20.0)

 

32 (17.5)

≥ 4 cups/day

 

2 (13.3)

 

44 (24.0)

Genotypes

(legend below)

GSTM1

 

12 (80.0)

 

117 (63.9)

GSTT1

 

3 (20.0)

 

38 (20.8)

GSTP

 

5 (33.3)

 

92 (50.3)

NAT1

 

4 (26.7)

 

60 (32.8)

NAT2

 

10 (66.7)

 

111 (60.7)

MPO

 

1 (6.7)

 

6 (3.3)

COMT

 

7 (46.7)

 

132 (72.1)

MnSOD

 

4 (26.7)

 

63 (34.4)

CYP1B1

 

12 (80.0)

 

156 (82.3)

XRCC1

 

7 (46.7)

 

98 (53.4)

XRCC3

 

6 (40.0)

 

103 (56.3)

XPD

 

7 (46.7)

 

113 (61.8)

  1. GSTM1 Glutathione S-transferase M1, GSTT1 Glutathione S-transferase T1, GSTP1 Glutathione S-transferase P1, NAT1 N-acetyltransferase isozymes 1, NAT2 N-acetyltransferase isozymes 2, MPO Myeloperoxidase, MnSOD Manganese Superoxide Dismutase, COMT Catechol-O-methyltransferase, CYP1B1 Cytochrome p450 1B1, XRCC1 X-ray repair cross-complementing protein 1, XRCC3 X-ray repair cross-complementing protein 3, XPD xeroderma pigmentosum group D