Table 4 Odds ratios for pancreatic cancer with 95% confidence intervals by Helicobacter pylori serology stratified for smoking status and alcohol consumption (no reference categories shown in table)

25

7

50

24

25

8

47

20

41

17

7

2

63

6

65

31

35

11

82

15

72

25

7

5

2.94 (0.90–9.61)

1.01 (0.53–1.92)

1.02 (0.36–2.90)

2.33 (1.09–4.97)

1.19 (0.58–2.47)

0.40 (0.057–2.80)

2.95 (0.89–9.81)

1.01 (0.53–1.92)

1.01 (0.35–2.87)

2.31 (1.08–4.97)

1.20 (0.58–2.48)

0.42 (0.058–3.04)

3.04 (0.91–10.18)

1.01 (0.53–1.93)

0.99 (0.35–2.86)

2.33 (1.09–4.98)

1.23 (0.59–2.55)

0.34 (0.048–2.46)

3.40 (0.99–11.72)

1.00 (0.52–1.91)

1.07 (0.37–3.08)

2.32 (1.08–4.96)

1.25 (0.60–2.61)

0.37 (0.052–2.69)

3.77 (1.05–13.48)

1.00 (0.52–1.92)

1.20 (0.41–3.53)

2.33 (1.09–4.97)

1.19 (0.57–2.46)

0.30 (0.035–2.61)

3.81 (1.06–13.63)

1.03 (0.53–1.99)

1.19 (0.39–3.61)

-

-

-

-

-

-

2.13 (0.97–4.69)

1.29 (0.61–2.73)

0.29 (0.035–2.40)

4.97 (1.23–20.10)

1.01 (0.52–1.97)

1.52 (0.45–5.10)

2.19 (0.98–4.88)

1.38 (0.64–2.98)

0.24 (0.023–2.48)