Table 1.
Clinical and demographic characteristics of the NSCLC cases and controls used in the training set and validation set
| Training set | Validation set | ||||
|---|---|---|---|---|---|
| Histologic subtype | Number | Histologic subtype | Number | ||
| Adenocarcinoma | 41 | Adenocarcinoma | 32 | ||
| Bronchioloalveolar carcinoma | 7 | Bronchioloalveolar Carcinoma | 21 | ||
| Squamous cell carcinoma | 45 | Squamous Cell Carcinoma | 15 | ||
| Large cell carcinoma | 3 | Carcinoma, NOS | 4 | ||
| Neuroendocrine | 16 | Neuroendocrine | 1 | ||
| Other | 3 | Other | 2 | ||
| Stage | Stage | ||||
| Stage I | 88 | Stage I | 23 | ||
| Stage II | 23 | Stage II | 26 | ||
| Stage III | 4 | Stage III | 15 | ||
| Stage IV | 0 | Stage IV | 10 | ||
| Total | 115 | Total | 75 | ||
| Gender | Control | Cases | Gender | Control | Cases |
| Females | 48 | 49 | Females | 29 | 48 |
| Males | 67 | 66 | Males | 46 | 27 |
| Total | 115 | 115 | Total | 75 | 75 |
| Age | Control | Cases | Age | Control | Cases |
| Median | 64 | 64 | Median | 68 | 69 |
| Range | 50-97 | 50-88 | Range | 52-98 | 50-99 |
| Smoking history | Control | Cases | Smoking history | Control | Cases |
| Packs/year | >20 | >20 | Packs/year | >20 | >20 |