All patients (n = 524) | Group HM + PM (n = 106) | Group PM (n = 418) | P value | |
---|---|---|---|---|
No. (%) | No. (%) | No. (%) | ||
Age at PM (year, mean) | 59.2 (30–83) | 59.8 (30–83) | 59.1 (31–82) | 0.427 |
Sex | 0.02 | |||
Male | 314 (40.1) | 74 (30.2) | 240 (57.4) | |
Female | 210 (59.9) | 32 (69.8) | 178 (42.6) | |
Location of primary tumor | 0.001 | |||
Colon | 239 (45.6) | 64 (60.4) | 175 (41.9) | |
Rectum | 285 (54.4) | 42 (39.6) | 243 (58.1) | |
T stage of CRC | 0.703 | |||
pT1 | 11 (2.1) | 2 (1.9) | 9 (2.2) | |
pT2 | 45 (8.6) | 7 (6.6) | 38 (9.1) | |
pT3 | 345 (65.8) | 75 (70.8) | 270 (64.6) | |
pT4 | 123 (23.5) | 22 (20.8) | 101 (24.2) | |
N stage of CRC | 0.839 | |||
pN0 | 155 (29.6) | 34 (32.1) | 121 (28.9) | |
pN1 | 204 (38.9) | 39 (36.8) | 165 (39.5) | |
pN2 | 164 (31.3) | 33 (31.1) | 131 (31.3) | |
pN3 | 1 (0.2) | 0 (0) | 1 (0.2) | |
Disease-free intervala | 0.927 | |||
<12 months | 112 (21.4) | 23 (21.7) | 89 (21.3) | |
≥12 months | 412 (78.6) | 83 (78.3) | 329 (78.7) | |
Location of lung metastasis | 0.787 | |||
Unilateral | 425 (81.1) | 85 (80.2) | 340 (81.3) | |
Bilateral | 99 (18.9) | 21 (19.8) | 78 (18.7) | |
Number of lung metastasis | 0.289 | |||
Single | 349 (66.6) | 66 (62.3) | 283 (67.7) | |
Multiple | 175 (33.4) | 40 (37.7) | 135 (32.3) | |
Adjuvant chemotherapy | 376 (71.8) | 83 (78.3) | 293 (70.1) | 0.094 |