Table 1. Patient characteristics (univariate VFA analysis at the median).
| Variable | VFA <182 cm2 (%) | VFA ≥182 cm2 (%) | P value |
|---|---|---|---|
| T stage | 0.687 | ||
| Stage 1–2 | 20 (33.9) | 21 (37.5) | |
| Stage 3–4 | 39 (66.1) | 35 (62.5) | |
| N stage | 0.895 | ||
| N0 | 20 (33.9) | 18 (32.7) | |
| N1 | 39 (66.1) | 37 (67.3) | |
| Lymph nodes | 0.047 | ||
| ≥10 | 32 (50.8) | 21 (33.3) | |
| <10 | 31 (49.2) | 42 (66.7) | |
| Neoadjuvant therapy | 0.563 | ||
| No | 18 (28.6) | 21 (33.3) | |
| Yes | 45 (71.4) | 42 (66.7) | |
| Tumor size (cm) | 0.016 | ||
| 0–5 | 32 (51.6) | 45 (72.6) | |
| >5 | 30 (48.4) | 17 (27.4) | |
| Operation time (min) | 0.032 | ||
| ≤275 | 40 (63.5) | 28 (44.4) | |
| >275 | 23 (36.5) | 35 (55.6) | |
| Surgery | 0.342 | ||
| Transhiatal | 23 (36.5) | 18 (28.6) | |
| Transthoracic | 40 (63.5) | 45 (71.4) | |
| Histological grade | 0.452 | ||
| Well | 8 (16.7) | 7 (14.3) | |
| Moderate | 21 (43.7) | 28 (57.1) | |
| Poor | 19 (39.6) | 14 (28.6) | |
| Gender | 0.042 | ||
| Male | 50 (79.4) | 58 (92.1) | |
| Female | 13 (20.6) | 5 (7.9) | |
| Pathologic response to therapy | 0.848 | ||
| Complete | 16 (36.4) | 15 (37.5) | |
| Partial | 21 (47.7) | 17 (42.5) | |
| None | 7 (15.9) | 8 [20] | |
| Recurrence | 0.660 | ||
| No | 51 [81] | 49 (77.8) | |
| Yes | 12 [19] | 14 (22.2) | |
| Radial margins/residual tumor | 0.080 | ||
| R0 | 59 (95.2) | 62 (100.0) | |
| R1 | 3 (4.8) | 0 (0.0) |
VFA, visceral fat area.