Table 1. The basic clinical features of all 232 lung ADC patients and 161 cases with survival information.
| Clinical Features | N1 = 232 | N2 = 161 |
|---|---|---|
| Age | ||
| ≤60 | 107(46.1) | 75(46.6) |
| >60 | 123(53.0) | 84(52.2) |
| Unknown | 2(0.9) | 2(1.2) |
| Gender | ||
| Female | 109(47.0) | 75(46.6) |
| Male | 123(53.0) | 86(53.4) |
| Tumor Size | ||
| ≤3 cm | 85(36.6) | 63(39.1) |
| >3 cm | 147(63.4) | 98(60.9) |
| Pathological Gradeb | ||
| I | 11(4.8) | 11 (6.9) |
| II | 169(72.8) | 115 (71.4) |
| III | 52(22.4) | 35(21.7) |
| AJCC7 Stagea | ||
| I | 88(37.9) | 53(32.9) |
| II | 48(20.7) | 32(19.9) |
| III | 71(30.6) | 55(34.2) |
| IV | 5(2.2) | 1(0.6) |
| Unknown | 20(8.6) | 20(12.4) |
| Lymph Node Metastasis | ||
| Positive | 110(47.4) | 82(50.9) |
| Negative | 117(50.4) | 74(46.0) |
| Unknown | 5(2.2) | 5(3.1) |
| Tumor Type | ||
| Pure Adenocarcinoma | 179(77.2) | 122(75.8) |
| Other | 53(22.8) | 39(24.2) |
aClinical stage was classified according to the 7th edition of the American Joint Committee on Cancer tumor-node-metastasis (AJCC TNM) staging system. bPathological Grade was classified according to the criteria of the 2004 World Health Organization pathological grade system.