Lung cancer cases defined by death certificate in Comba and Pirastu’s study* and by histology in the present study
| Comba and Pirastu’s study | ||
|---|---|---|
| Present study | Yes | No |
| Agreement measure (Dunn, 1992): 27/(27+12+11) = 54%. | ||
| *Personal communication: extension of cohort follow up to 1 July 1999. | ||
| Yes | 27 | 11 |
| No | 12 | |