Table 1.
Information of Patients With Lung Adenocarcinoma.
| Factors | Number | Percentage |
|---|---|---|
| Sex | ||
| Female | 112 | 44.80 |
| Male | 138 | 55.20 |
| Age | ||
| <60 | 96 | 38.40 |
| ≥60 | 144 | 57.60 |
| Tumor diameter, cm | ||
| ≤5 | 180 | 72.00 |
| >5 | 70 | 28.00 |
| Histological grade | ||
| I | 22 | 8.80 |
| II | 145 | 58.00 |
| III | 82 | 32.80 |
| T stage | ||
| I | 55 | 22.00 |
| II | 131 | 52.40 |
| III | 47 | 18.80 |
| IV | 17 | 6.80 |
| N stage | ||
| N0 | 122 | 48.80 |
| N1-N3 | 128 | 51.20 |
| Metastasis | ||
| No | 246 | 98.40 |
| Yes | 4 | 1.60 |
| TNM stage | ||
| I | 89 | 35.60 |
| II | 72 | 28.80 |
| III | 85 | 34.00 |
| IV | 4 | 1.60 |
| IASLC/ATS/ERS | ||
| Acinar | 104 | 41.60 |
| Papillary | 50 | 20.00 |
| Solid | 30 | 12.00 |
| Othersa | 51 | 20.40 |
| EGFR mutation | ||
| Negative | 154 | 61.60 |
| Positive | 96 | 38.40 |
| KRAS mutation | ||
| Negative | 210 | 84.00 |
| Positive | 40 | 16.00 |
Abbreviations: ATS, American Thoracic Society; EGFR, epidermal growth factor receptor; ERS, European Respiratory Society; IASLC, International Association for the Study of Lung Cancer; KRAS, Kirsten rat sarcoma viral oncogene homolog; TNM, tumor–node–metastasis.
a Other IASLC/ATS/ERS histological subtype included lepidic, micropapillary, invasive mucinous and mixed mucinous/nonmucinous, and colloid histological type.