Table 2 Demographic characteristics and clinicopathologic variables
From: Grading criteria for venous invasion in thoracic esophageal squamous cell carcinoma
Venous invasion (N) | P value | ||||
|---|---|---|---|---|---|
(V0) | (V1) | (V2) | (V3) | ||
Age | 0.702 | ||||
< 65 | 189 | 94 | 24 | 7 | |
≥ 65 | 169 | 88 | 24 | 3 | |
Gender | 0.313 | ||||
Male | 307 | 147 | 43 | 9 | |
Female | 51 | 35 | 5 | 1 | |
Tumor location | 0.166 | ||||
Upper | 48 | 16 | 3 | 3 | |
Middle | 179 | 86 | 26 | 3 | |
Lower | 131 | 80 | 19 | 4 | |
Differentiation | 0.120 | ||||
Well | 112 | 57 | 8 | 2 | |
Moderate | 117 | 71 | 20 | 2 | |
Poor | 129 | 54 | 20 | 6 | |
Lymphatic invasion | < 0.001 | ||||
Absence | 247 | 77 | 20 | 2 | |
Presence | 111 | 105 | 28 | 8 | |
T category | < 0.001 | ||||
T1 | 189 | 34 | 3 | 2 | |
T2 | 42 | 20 | 4 | 1 | |
T3 | 127 | 125 | 41 | 6 | |
T4 | 0 | 3 | 0 | 1 | |
N category | < 0.001 | ||||
N0 | 169 | 43 | 6 | 1 | |
N1 | 115 | 59 | 15 | 2 | |
N2 | 55 | 57 | 18 | 4 | |
N3 | 19 | 23 | 9 | 3 | |
TNM Stage | < 0.001 | ||||
I | 128 | 17 | 2 | 1 | |
II | 102 | 45 | 7 | 1 | |
III | 97 | 98 | 33 | 6 | |
IV | 31 | 22 | 6 | 2 | |