Table 6a: Lung cancer cases which are "more likely than not" due to radon and total cases by age and years since last radon exposure. Cases from pooled Colorado and New Mexico studies.

Years since last exposure

Age at disease

<10

10-19

20

Total

First exposed: <1955

<50

39/39

9/9

4/4

52/52

50-59

52/54

38/40

23/29

113/123

60-69

21/23

32/34

12/24

65/81

70

3/7

13/22

0/25

16/54

Total

115/123

92/105

39/82

First exposed: 1955-59

<50

14/14

8/8

2/2

24/24

50-59

14/14

22/23

4/9

40/46

60-69

13/17

11/18

1/11

25/46

70

0/0

3/12

0/13

3/25

Total

41/45

44/61

7/35

First exposed: 1960

<50

4/4

2/2

1/1

7/7

50-59

3/3

1/1

0/0

4/4

60-69

0/2

0/2

0/2

0/6

70

0/0

0/1

0/1

0/2

Total

7/9

3/6

1/4

Total-all

163/177

139/172

47/121

349/470