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. 2020 Nov 23;124(4):786–796. doi: 10.1038/s41416-020-01168-x

Table 1.

Relapse-free survival in stage I–III colorectal cancer and associations of clinicopathological features with GMS in patients from the validation cohort (n = 862).

Clinicopathological characteristics Disease-free survival Relapse-free survival GMS category
N (%)a Univariate HR (95% CI) P Multivariate HR (95% CI) P Univariate HR (95% CI) P Multivariate HR (95% CI) P 0 (n = 300)
N (%)a
1 (n = 424)
N (%)
2 (n = 138)
N (%)
Pearson X2
Age
 ≤64 245 (28) 80 (27) 111 (26) 54 (39) 0.04
 65–74 276 (32) 98 (33) 138 (33) 40 (29)
 ≥75 341 (40) 1.66 (1.48–1.86) <0.001 1.71 (1.51–1.95) <0.001 1.10 (0.95–1.28) 0.20 122 (41) 175 (41) 44 (32)
Gender
 Female 419 (49) 151 (50) 207 (49) 61 (44) 0.27
 Male 443 (51) 1.12 (0.95–1.33) 0.18 1.15 (0.91–1.47) 0.24 149 (50) 217 (51) 77 (56)
Presentation
 Elective 686 (80) 260 (87) 319 (75) 107 (78) 0.002
 Emergency 175 (20) 1.55 (1.27–1.89) <0.001 0.17 1.94 (1.49–2.53) <0.001 0.10 39 (13) 105 (25) 31 (22)
TNM
 I–II (low risk) 499 (58) 201 (67) 244 (58) 54 (39) <0.001
 II–III (high risk) 363 (42) 1.58 (1.33–1.87) <0.001b 3.02 (2.36–3.87) <0.001b 99 (33) 180 (42) 84 (61)
T-stage
 T1 42 (5) 28 (9) 13 (3) 1 (1) <0.001
 T2 113 (13) 65 (22) 39 (9) 9 (7)
 T3 488 (57) 150 (50) 260 (61) 78 (56)
 T4a 179 (20) 43 (14) 93 (22) 43 (31)
 T4b 40 (5) 1.30 (1.15–1.46) <0.001 1.25 (1.08–1.44) 0.003 1.81 (1.51–2.16) <0.001 1.46 (1.17–1.82) 0.001 14 (5) 19 (5) 7 (6)
N-stage
 N0 556 (65) 217 (73) 272 (64) 67 (49) <0.001
 N1 218 (25) 66 (22) 105 (25) 47 (34)
 N2 84 (10) 1.38 (1.22–1.55) <0.001 1.31 (1.14–1.51) <0.001 1.96 (1.68–2.30) <0.001 1.58 (1.32–1.90) <0.001 16 (5) 45 (11) 23 (17)
Site
 Colon 650 (75) 206 (69) 345 (81) 99 (72) 0.08
 Rectum 212 (25) 0.93 (0.76–1.13) 0.44 0.96 (0.73–1.27) 0.78 94 (31) 79 (19) 39 (28)
Differentiation
 Well/mod 775 (90) 271 (90) 379 (89) 125 (91) 0.95
 Poor 87 (10) 1.36 (1.04–1.79) 0.03 0.46 1.61 (1.13–2.30) 0.01 0.87 29 (10) 45 (11) 13 (9)
Venous invasion
 Absent 589 (68) 226 (75) 290 (69) 73 (53) <0.001
 Present 273 (32) 1.38 (1.15–1.65) <0.001 0.18 1.86 (1.46–2.37) <0.001 1.34 (1.01–1.76) 0.04 74 (25) 134 (31) 65 (47)
Tumour budding
 Absent 618 (72) 219 (73) 304 (72) 95 (69) 0.39
 Present 244 (28) 1.04 (0.86–1.25) 0.70 1.33 (1.03–1.71) 0.03 0.15 81 (27) 120 (28) 43 (31)
KRAS status (n = 212)
 Wild-type 111 (52) 36 (55) 53 (50) 22 (55) 0.86
 Mutant 101 (48) 1.16 (0.84–1.59) 0.37 1.08 (0.72–1.61) 0.71 29 (45) 54 (50) 18 (45)
BRAF status (n = 212)
 Wild-type 182 (86) 54 (83) 91 (85) 37 (93) 0.21
 Mutant 30 (14) 1.03 (0.66–1.59) 0.90 0.91 (0.51–1.64) 0.76 11 (17) 16 (15) 3 (7)
MMR
 Proficient 686 (82) 230 (78) 342 (83) 114 (84) 0.10
 Deficient 155 (18) 0.99 (0.80–1.23) 0.94 0.80 (0.57–1.11) 0.18 64 (22) 69 (17) 22 (16)
mGPS
 0 386 (55) 152 (59) 175 (52) 59 (54) 0.19
 1 201 (29) 68 (27) 102 (30) 31 (28)
 2 115 (16) 1.59 (1.40–1.79) <0.001 1.52 (1.34–1.73) <0.001 1.69 (1.43–1.99) <0.001 1.59 (1.34–1.90) <0.001 37 (14) 59 (18) 19 (17)
GMS
 0 300 (35)
 1 424 (49)
 2 138 (16) 1.24 (1.09–1.40) 0.001 1.24 (1.07–1.43) 0.004 1.76 (1.48–2.08) <0.001 1.53 (1.26–1.86) <0.001

aPercentages rounded to nearest whole number and may not total 100%

bNot included in multivariate model as T-stage and N-stage included separately.

Emboldened values indicates p value < 0.05.