Table 1 Clinicopathological parameters of patients with CC in the training cohort and validation cohort
Clinical characteristic | Total (N = 273) N (%) | Training cohort (N = 193) N (%) | Validation cohort (N = 80) N (%) |
|---|---|---|---|
Age | |||
 < 50 | 171 (62.6) | 124 (64.2) | 47 (58.8) |
 > 50 | 102 (37.4) | 69 (35.8) | 33 (41.2) |
Grade | |||
 G1-G2 | 142 (52) | 103 (53.4) | 39 (48.8) |
 G3-G4 | 105 (38.5) | 72 (37.3) | 33 (41.2) |
 NA | 26 (9.5) | 18 (9.3) | 8 (10) |
T classification | |||
 T1-T2 | 192 (70.3) | 139 (72) | 53 (66.3) |
 T3-T4 | 26 (9.5) | 17 (8.8) | 9 (11.2) |
 NA | 55 (20.1) | 37 (19.2) | 18 (22.5) |
N classification | |||
 N0 | 118 (43.2) | 92 (47.7) | 26 (32.5) |
 N1 | 53 (19.4) | 32 (16.5) | 21 (26.3) |
 NA | 102 (37.4) | 69 (35.8) | 33 (41.2) |
M classification | |||
 M0 | 101 (37) | 69 (35.8) | 32 (40) |
 M1 | 10 (3.7) | 8 (4.1) | 2 (2.5) |
 NA | 162 (59.3) | 116 (60.1) | 46 (57.5) |
AJCC stage | |||
 I-II | 209 (76.6) | 150 (77.7) | 59 (73.8) |
 III-IV | 58 (21.2) | 38 (19.7) | 20 (25) |
 NA | 6 (2.2) | 5 (2.6) | 1 (1.2) |