Appendix 1
Table 4
SMOKING AND LUNG CANCER CASE-CONTROL STUDIES
BEFORE 1950
|
| Author | No. of men
| Per cent of:
|
| | | Non-smokers
| Heavy smokers
|
| Lung cancer
| Controls | Lung cancer
| Controls | Lung cancer
| Controls |
|
Müller, 1939,
Germany | 86
| 86 | 3.5
| 16.3 | 65
| 36 |
Schairer &
Schöniger, 1943,
Germany
| 93 | 270
| 3.2 | 15.9
| 52 | 27
|
Wassink, 1948,
Holland | 134
| 100 | 4.5
| 19.0 | 55
| 19 |
|
|
|