TABLE 2.
Correlation between central or peripheral type of SCLC and clinical characteristics of patients
| Tumor location (n, %) | |||||
|---|---|---|---|---|---|
| Characteristic | Central type (n = 27) | Peripheral type (n = 40) | Total (n = 67) | OR (95% CI) | p value |
| Age (years) | |||||
| <75 | 13 | 25 | 38 | 1.795 (0.652–4.531) | 0.2448 |
| ≥75 | 14 | 15 | 29 | ||
| Sex | |||||
| Male | 20 | 34 | 54 | 1.983 (0.595–6.68) | 0.267 |
| Female | 7 | 6 | 13 | ||
| Smoking history | |||||
| Former | 26 | 39 | 65 | 1.5 (0.0763–29.14) | 0.776 |
| Never | 1 | 1 | 2 | ||
| Stage | |||||
| LD | 10 | 18 | 28 | 1.391 (0.504–3.619) | 0.5169 |
| ED | 17 | 22 | 39 | ||
| Emphysema | |||||
| Yes | 12 | 31 | 43 | 4.306 (1.42–12.1) | 0.0056 |
| No | 15 | 9 | 24 | ||
| ILD | |||||
| Yes | 5 | 17 | 22 | 3.252 (1.084–9.123) | 0.0403 |
| No | 22 | 23 | 45 | ||
Abbreviations: CI, confidence interval; ED, extensive disease; ILD, interstitial lung disease; LD, limited disease; OR, odds ratio; SCLC, small‐cell lung cancer.