| Total | Low | High | p value | |||
---|---|---|---|---|---|---|---|
No. | % | No. | % | No. | % | ||
No. of patients | 414 | Â | 170 | 41.1 | 244 | 58.9 | Â |
Age (years) | |||||||
 ≤ 50 | 76 | 18.4 | 33 | 43.4 | 43 | 56.6 | 0.6444 |
 > 50 | 338 | 81.6 | 137 | 40.5 | 201 | 59.5 |  |
Histologic subtype | |||||||
 Type I | 356 | 88.6 | 148 | 41.6 | 208 | 58.4 | 0.3741 |
 Type II | 46 | 11.4 | 16 | 34.8 | 30 | 65.2 |  |
Lymphovascular invasion | |||||||
 Present | 88 | 27.4 | 39 | 44.3 | 49 | 55.7 | 0.2861 |
 Absent | 233 | 72.6 | 88 | 37.8 | 145 | 62.2 |  |
Grade | |||||||
 Grade 1 | 140 | 34.9 | 46 | 32.9 | 94 | 67.1 | 0.0308 |
 Grade 2 | 138 | 34.4 | 66 | 47.8 | 72 | 52.2 |  |
 Grade 3 | 123 | 30.7 | 54 | 43.9 | 69 | 56.1 |  |
pT | |||||||
 T1 | 289 | 70.0 | 113 | 39.1 | 176 | 60.9 | 0.5879 |
 T2 | 53 | 12.8 | 26 | 49.1 | 27 | 50.9 |  |
 T3 | 53 | 12.8 | 22 | 41.5 | 31 | 58.5 |  |
 T4 | 18 | 4.4 | 8 | 44.4 | 10 | 55.6 |  |
pN | |||||||
 N0 | 384 | 92.7 | 155 | 40.4 | 229 | 59.6 | 0.3051 |
 N1–N2 | 30 | 7.3 | 15 | 50.0 | 15 | 50.0 |  |
pM | |||||||
 M0 | 392 | 94.9 | 163 | 41.6 | 229 | 58.4 | 0.2278 |
 M1 | 21 | 5.1 | 6 | 28.6 | 15 | 71.4 |  |
Stage | |||||||
 I | 267 | 64.7 | 104 | 39.0 | 163 | 61.0 | 0.5759 |
 II | 46 | 11.1 | 22 | 47.8 | 24 | 52.2 |  |
 III | 66 | 16.0 | 30 | 45.5 | 36 | 54.5 |  |
 IV | 34 | 8.2 | 13 | 38.2 | 21 | 61.8 |  |
Microsatellite status | |||||||
 MSI | 52 | 12.6 | 25 | 48.1 | 27 | 51.9 | 0.2743 |
 MSS | 362 | 87.4 | 145 | 40.1 | 217 | 59.9 |  |
POLE mutation | |||||||
 Present | 2 | 0.5 | 0 | 0.0 | 2 | 100.0 | 0.1452 |
 Absent | 412 | 99.5 | 170 | 41.3 | 242 | 58.7 |  |
5Â year overall survival | Â | Â | Â | 89.7 | Â | 85.8 | 0.4691 |