Table 1 Demographic differences in the training and testing cohorts No, number; m, median; SD standard deviation
Characteristics | Training cohort | p value | Testing cohort | p value | ||
|---|---|---|---|---|---|---|
Wild-type group | Mutated group | Wild-type group | Mutated group | |||
Gender (No [%]) | 0.3239 | 0.4753 | ||||
Male | 36(59.02) | 38(67.86) | 18(81.81) | 13(72.22) | ||
Female | 25(40.98) | 18(32.14) | 4(18.18) | 5(27.78) | ||
Age (m ± SD) | 59.80 ±11.05 | 60.33 ±9.84 | 0.7853 | 57.68 ±9.86 | 59.56 ± | 0.5389 |
Tumor size, (cm ± SD) | 3.49 ±1.21 | 3.05 ±1.18 | 0.0492* | 3.55 ±1.29 | 4.8 ±1.74 | 0.0129* |
Tumor location (No [%]) | 0.8668 | 0.0419* | ||||
Ascending colon | 4(6.56) | 5(8.93) | 0(0.00) | 4(22.22) | ||
Transverse colon | 3(4.92) | 3(5.36) | 1(4.55) | 0(0) | ||
Descending colon | 4(6.56) | 2(3.57) | 4(18.18) | 3(16.67) | ||
Sigmoid colon | 27(44.26) | 25(44.64) | 11(50.00) | 4(22.22) | ||
Rectum | 15(24.60) | 18(32.14) | 6(27.27) | 4(22.22) | ||
Cecum | 7(11.48) | 4(7.14) | 0(0.00) | 3(16.67) | ||
T category (No [%]) | 0.0928 | 0.2645 | ||||
T1 | 1(1.64) | 0(0.00) | 0(0.00) | 0(0.00) | ||
T2 | 5(8.20) | 2(3.57) | 2(9.09) | 0(0.00) | ||
T3 | 41(67.21) | 49(87.5) | 17(77.27) | 13(72.22) | ||
T4 | 13(21.31) | 5(8.93) | 3(13.63) | 5(27.78) | ||
N category (No [%]) | 0.2361 | 0.3657 | ||||
N0 | 19(31.15) | 12(21.43) | 1(4.55) | 0(0) | ||
N1, N2 | 42(68.85) | 44(78.58) | 21(95.45) | 18(100) | ||
M category (No [%]) | 0.6719 | 0.7814 | ||||
M0 | 38(62.30) | 37(66.07) | 15(68.18) | 13(72.22) | ||
M1 | 23(37.70) | 19(33.93) | 7(31.82) | 5(27.78) | ||