Table 1.
Patient Characteristics According to the Status of CT Lymph Nodes
| Variables | No. (%) | Non-enlarged | Enlarged | P |
|---|---|---|---|---|
| No. | 758 (100) | 608 (80.9) | 150 (19.1) | |
| Mean Age (SD) | 758 | 59.68 (9.81) | 62.59 (9.17) | 0.001 |
| Sex | <0.001 | |||
| Female | 382 | 330 (54.3) | 52 (34.7) | |
| Male | 376 | 278 (45.7) | 98 (65.3) | |
| Smoking | <0.001 | |||
| Yes | 161 | 110 (18.1) | 51 (34.0) | |
| No | 597 | 498 (81.9) | 99 (66.0) | |
| Family history | 1 | |||
| Yes | 30 | 24 (3.9) | 6 (4.0) | |
| No | 728 | 584 (96.1) | 144 (96.0) | |
| Pathology | <0.001 | |||
| Squamous cell carcinoma | 102 | 58 (9.5) | 44 (29.3) | |
| Adenocarcinoma | 610 | 513 (84.4) | 97 (64.7) | |
| Others | 46 | 37 (6.1) | 9 (6.0) | |
| T stage | <0.001 | |||
| T1 | 403 | 347 (57.1) | 56 (37.3) | |
| T2 | 310 | 234 (38.5) | 76 (50.7) | |
| T3 | 41 | 25 (4.1) | 16 (10.7 | |
| T4 | 4 | 2 (0.3) | 2 (1.3) | |
| Adjuvant therapy | 0.001 | |||
| Yes | 210 | 152 (25.0) | 58 (38.7) | |
| No | 548 | 456 (75.0) | 92 (61.3) | |
| Recurrence | <0.001 | |||
| Yes | 101 | 65 (10.7) | 36 (24.0) | |
| No | 657 | 543 (89.3) | 114 (76.0) |