Table 2 Clinical and pathological characteristics of patients in training and validation groups
Characteristics | Training group n = 102 | Validation group n = 44 | P value |
|---|---|---|---|
Gender,No.(%) | 0.217 | ||
Male | 71 (69.6) | 26 (59.1) | |
Female | 31 (30.4) | 18 (40.9) | |
Age(mean years,SD) | 62.96 (11.78) | 62.32 (12.67) | 0.768 |
Location, No.(%) | 0.954 | ||
high | 35 (34.3) | 14 (31.8) | |
middle | 44 (43.1) | 20 (45.5) | |
low | 23 (22.6) | 10 (22.7) | |
Grade, No.(%) | 0.876 | ||
Well | 14 (13.7) | 6 (13.6) | |
Moderate | 75 (73.5) | 31 (70.5) | |
Poor | 13 (12.8) | 7 (15.9) | |
pT stage, No.(%) | 0.747 | ||
T1-2 | 32 (31.4) | 15 (34.1) | |
T3a-b | 70 (68.6) | 29 (65.9) | |
pN stage, No.(%) | 0.886 | ||
N0 | 52 (51.0) | 23 (52.3) | |
N1a-b | 50 (49.0) | 21 (47.7) | |
Lymphovascular invasion, No.(%) | 0.853 | ||
positive | 27 (26.5) | 11 (25.0) | |
negtive | 75 (73.5) | 33 (75.0) |