Table 1 Correlations between risk score of the 14-mRNAs-based classifier with overall survival and clinicopathological characteristics in training cohort
Clinicopathological variables | Number of patients | High risk | Low risk | P value |
|---|---|---|---|---|
Training cohort | ||||
 Age | ||||
  ≤ 65 | 81 (46.3%) | 39 (48.1%) | 42 (51.9%) |  |
  > 65 | 94 (53.7%) | 48 (51.1%) | 46 (48.9%) | 0.762 |
 M | ||||
  M0 | 78 (95.1%) | 45 (57.7%) | 33 (42.3%) |  |
  M1 | 4 (4.9%) | 2 (50%) | 2 (50%) | 1.0 |
 N | ||||
  N0 | 49 (28.8%) | 20 (40.8%) | 29 (59.2%) |  |
  N1 | 121 (71.2%) | 67 (55.4%) | 54 (44.6%) | 0.093 |
 Stage | ||||
  I + II | 165 (95.4%) | 82 (49.7%) | 83 (50.3%) |  |
  III + IV | 8 (4.6%) | 13 (62.5%) | 10 (37.5%) | 0.720 |
 T | ||||
  T1 + T2 | 30 (17.3%) | 12 (40.0%) | 18 (60.0%) |  |
  T3 + T4 | 143 (82.7%) | 75 (52.4%) | 68 (47.6%) | 0.234 |
 Grade | ||||
  G1&2 | 123 (71.1%) | 55 (44.7%) | 68 (55.3%) |  |
  G3&4 | 50 (28.9%) | 31 (62.0%) | 19 (38.0%) | 0.045 |
 Gender | ||||
  Male | 95 (54.3%) | 42 (44.2%) | 53 (55.8%) |  |
  Female | 80 (45.7%) | 45 (56.3%) | 35 (43.8%) | 0.130 |