Table 1. The clinicopathologic characteristics of patients with esophageal squamous cell carcinoma.
| Characteristic | Low risk (%) | High risk (%) | P value |
|---|---|---|---|
| Age | 0.479 | ||
| ≤65 years | 50 (79.4) | 10 (66.7) | |
| >65 years | 13 (20.6) | 5 (33.3) | |
| Sex | 0.878 | ||
| Female | 9 (14.3) | 3 (20.0) | |
| Male | 54 (85.7) | 12 (80.0) | |
| Pathologic M | 0.667 | ||
| M0 | 57 (90.5) | 14 (93.3) | |
| M1 | 3 (4.8) | 0 (0) | |
| MX | 3 (4.8) | 1 (6.7) | |
| Pathologic N | 0.189 | ||
| N0 | 35 (55.6) | 10 (66.7) | |
| N1 | 22 (34.9) | 4 (26.7) | |
| N2 | 5 (7.9) | 0 (0) | |
| N3 | 0 (0) | 1 (6.7) | |
| NX | 1 (1.6) | 0 (0) | |
| Pathologic T | 0.009 | ||
| T1 | 7 (11.1) | 1 (6.7) | |
| T2 | 18 (28.6) | 9 (60.0) | |
| T3 | 37 (58.7) | 3 (20.0) | |
| T4 | 1 (1.6) | 2 (13.3) | |
| Neoplasm histologic grade | 0.029 | ||
| G1 | 9 (14.3) | 6 (40.0) | |
| G2 | 35 (55.6) | 3 (20.0) | |
| G3 | 14 (22.2) | 3 (20.0) | |
| Missing | 5 (7.9) | 3 (20.0) | |
| Radiation therapy | 0.115 | ||
| Not reported | 13 (20.6) | 7 (46.7) | |
| No | 30 (47.6) | 5 (33.3) | |
| Yes | 20 (31.7 | 3 (20.0) | |
| BMI exposures | 0.403 | ||
| ≤24 | 45 (71.4) | 9 (60.0) | |
| >24 | 15 (23.8) | 6 (40.0) | |
| Missing | 3 (4.8) | 0 (0) | |
| Cigarettes per day exposures | 1.000 | ||
| ≤1 | 9 (14.3) | 3 (20.0) | |
| >1 | 27 (42.9) | 7 (46.7) | |
| Missing | 27 (42.9) | 5 (33.3) | |
| Alcohol history exposures | 0.392 | ||
| No | 17 (27.0) | 2 (13.3) | |
| Not reported | 2 (3.2) | 0 (0) | |
| Yes | 44 (69.8) | 13 (86.7) | |