Table 4.
Clinicopathologic features of patients according to tumor length
| Variables | Tumor Length | χ2 | P | |
|---|---|---|---|---|
|
| ||||
| ≤ 4.0 cm (%) | > 4.0 cm (%) | |||
| Age | 1.588 | 0.208 | ||
| < 60 | 72 (48.0) | 78 (52.0) | ||
| ≥ 60 | 116 (54.7) | 96 (45.3) | ||
| Sex | 21.182 | 0.001 | ||
| Male | 120 (44.8) | 148 (55.2) | ||
| Female | 68 (51.9) | 26 (27.7) | ||
| Blood type | 0.134 | 0.987 | ||
| O | 54 (52.4) | 49 (47.6) | ||
| A | 55 (51.4) | 52 (48.6) | ||
| B | 61 (51.3) | 58 (48.7) | ||
| AB | 18 (54.5) | 15 (45.5) | ||
| Tumor site | 0.686 | 0.709 | ||
| Upper | 16 (57.1) | 12 (42.9) | ||
| Middle | 123 (52.6) | 111 (47.4) | ||
| Lower | 49 (49.0) | 51 (51.0) | ||
| Surgical approach | 2.084 | 0.353 | ||
| left thoracic | 127 (53.1) | 112 (46.9) | ||
| Ivor-Lewis | 31 (55.6) | 24 (44.4) | ||
| Tri-incisional | 30 (44.1) | 38 (55.9) | ||
| T stage | 16.359 | 0.001 | ||
| T1 | 7 (100.0) | 0 (0) | ||
| T2 | 39 (68.4) | 18 (31.6) | ||
| T3 | 133 (48.7) | 140 (51.3) | ||
| T4 | 9 (36.0) | 16 (64.0) | ||
| N stage | 7.555 | 0.046 | ||
| N0 (0) | 157 (55.1) | 128 (44.9) | ||
| N1 (1-2) | 18 (35.3) | 33 (64.7) | ||
| N2 (3-6) | 10 (55.6) | 8 (44.4) | ||
| N3 (≥ 7) | 3 (37.5) | 5 (62.5) | ||
| Pathological TNM | 5.372 | 0.029 | ||
| IB | 11 (78.6) | 3 (21.4) | ||
| IIA | 49 (52.1) | 45 (47.9) | ||
| IIB | 89 (54.6) | 74 (45.4) | ||
| IIIA | 25 (41.7) | 35 (58.3) | ||
| IIIB | 9 (60.0) | 6 (40.0) | ||
| IIIC | 5 (31.3) | 11 (68.7) | ||
| Differentiation | 4.479 | 0.033 | ||
| Well | 22 (52.4) | 20 (47.6) | ||
| Moderately | 146 (54.5) | 122 (45.5) | ||
| Poorly | 20 (38.5) | 32 (61.5) | ||
| Venous invasion | 0.003 | 0.956 | ||
| No | 187 (51.9) | 173 (48.1) | ||
| Yes | 1 (50.0) | 1 (50.0) | ||