Table 1.
Tumor and patient characteristics of never smoking female lung cancers from Xuanwei, China
| Adenocarcinoma | Squamous Cell Carcinoma | Adenosquamous | All Lung Cancer Cases | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n = 32 | n = 7 | n = 1 | n = 40 | ||||||
| n | % | n | % | n | % | n | % | ||
| Age (mean ± std) | 46.6 ± 10.1 | 45.7 ± 10.6 | 48.0 ± not applicable | 46.5 ± 10.0 | |||||
| Differentiation | |||||||||
| Well differentiated | 6 | 18.8 | 1 | 14.3 | 0 | 0.0 | 7 | 17.5 | |
| Moderately differentiated | 21 | 65.6 | 4 | 57.1 | 0 | 0.0 | 25 | 62.5 | |
| Poorly differentiated | 4 | 12.5 | 2 | 28.6 | 1 | 100.0 | 7 | 17.5 | |
| Missing | 1 | 3.1 | 0 | 0.0 | 0 | 0.0 | 1 | 2.5 | |
| Fuel used for heating and cooking | |||||||||
| Coal only | 29 | 90.6 | 4 | 57.1 | 0 | 0.0 | 33 | 82.5 | |
| Coal and wood | 1 | 3.1 | 0 | 0.0 | 0 | 0.0 | 1 | 2.5 | |
| Electricity | 0 | 0.0 | 2 | 28.6 | 0 | 0.0 | 2 | 5.0 | |
| Missing | 2 | 6.3 | 1 | 14.3 | 1 | 100.0 | 4 | 10.0 | |