Table 1. Patient characteristics.
| Characteristics | N=58 (%) | Local residual, n=38 (%) | Disseminated pT4M1a, n=20 (%) | P value |
|---|---|---|---|---|
| Sex | 0.002 | |||
| Male | 36 (62.1) | 29 (76.3) | 7 (35.0) | |
| Female | 22 (37.9) | 9 (23.7) | 13 (65.0) | |
| Age, years | 0.028 | |||
| ≤60 | 32 (55.2) | 17 (44.7) | 15 (75.0) | |
| >60 | 26 (44.8) | 21 (55.3) | 5 (25.0) | |
| Smoking | 0.037 | |||
| Yes | 19 (32.8) | 16 (42.1) | 3 (15.0) | |
| No | 39 (67.2) | 22 (57.9) | 17 (85.0) | |
| Resection | 0.013 | |||
| R1 | 12 (20.7) | 12 (31.6) | 0 | |
| R2 | 46 (79.3) | 26 (68.4) | 20 (100.0) | |
| Pathologic type | <0.001 | |||
| ADC | 40 (69.0) | 20 (52.6) | 20 (100.0) | |
| Non-ADC | 18 (31.0) | 18 (47.4) | 0 | |
| N status | 0.001 | |||
| N0 | 24 (41.4) | 9 (23.7) | 15 (75.0) | |
| N1 | 9 (15.5) | 7 (18.4) | 2 (10.0) | |
| N2 | 24 (41.4) | 21 (55.3) | 3 (15.0) | |
| N3 | 1 (1.7) | 1 (2.6) | 0 | |
| Systemic treatment | 0.005 | |||
| Chemo only | 39 (67.2) | 29 (76.3) | 10 (50.0) | |
| TKI | 10 (17.2) | 2 (5.3) | 8 (40.0) | |
| None | 9 (15.5) | 7 (18.4) | 2 (10.0) | |
| TNM stage | <0.001 | |||
| IA/IB | 4 (6.9) | 4 (10.5) | 0 | |
| IIA/IIB | 2 (3.4) | 2 (5.3) | 0 | |
| IIIA | 15 (25.9) | 15 (39.5) | 0 | |
| IIIB | 14 (24.1) | 13 (34.2) | 1 (5.0) | |
| IV | 23 (39.7) | 4 (10.5) | 19 (95.0) |
ADC, adenocarcinoma; TKI, tyrosine kinase inhibitor.