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Table 2 Crude smoking-associated risk of end-stagel renal failure in 144 male patients with IgA-glomerulonephritis or autosomal dominant poly- cystic kidney disease [61]

From: Cigarette smoking: an important renal risk factor – far beyond carcinogenesis

 

Cases

Controls

 

95%-confidence intervall

 

Pack-years

(n, [%])

(n, [%])

Odds ratio

 

p-value*

0–5

26 [36]

47 [65]

1.0

-

-

5–15

17 [24]

11 [15]

3.5

1.3–9.6

0.017

>15

29 [40]

14 [19]

5.8

2.0–17

0.001

  1. * Wald χ2.