Table S6. Clinical characteristics of patients according to the chemotherapy in stage II and III patients before propensity score matching.
Variables Number
No chemotherapy (N=617) Chemotherapy (N=521)
P-value
No. % No. %
Gender 0.093
Female 343 173 50.4% 170 49.6%
Male 795 444 55.8% 351 44.2%
Age(years), median(IQR) 59(51-66) 56(47-63)
Age(years) 0.020
＜60 644 323 50.2% 321 49.8%
≧60 494 294 59.5% 200 40.5%
Tumor size(cm) 0.146
＜4 394 202 51.3% 192 48.7%
≧4 744 415 55.8% 329 44.2%
Tumor location 0.102
Cardia 402 237 59.0% 165 41.0%
Body 230 114 49.6% 116 50.4%
Antrum 443 233 52.6% 210 47.4%
Whole 63 33 52.4% 30 47.6%
Differentiation status 0.507
Well 39 22 56.4% 17 43.6%
Moderate 237 136 57.4% 101 42.6%
Poor and undifferentiated 862 459 53.2% 403 46.8%
Lauren type 0.441
Intestinal type 408 215 52.7% 193 47.3%
Diffuse or mixed type 730 402 55.1% 328 44.9%
CEA 0.031
Normal 919 484 52.7% 435 47.3%
Elevated 219 133 60.7% 86 39.3%
CA199 <0.001
Normal 902 465 51.6% 437 48.4%
Elevated 236 152 64.4% 84 35.6%
Depth of invasion <0.001
T1 22 12 54.5% 10 45.5%
T2 64 32 50.0% 32 50.0%
T3 278 89 32.0% 189 68.0%
T4a 664 422 63.6% 242 36.4%
T4b 110 62 56.4% 48 43.6%
Lymph node metastasis 0.045
N0 266 162 60.9% 104 39.1%
N1 236 118 50.0% 118 50.0%
N2 230 113 49.1% 117 50.9%
N3a 263 141 53.6% 122 46.4%
N3b 143 83 58.0% 60 42.0%
Stage 0.591
II 396 219 55.3% 177 44.7%
III 742 398 53.6% 344 46.4%
Table S7. Clinical characteristics of patients according to the chemotherapy in stage II and III patients after propensity score matching.
Variables Number
No chemotherapy (N=506)
Chemotherapy
P-value (N=506)
No. % No
. %
Gender 0.274
Female 308 146 28.85% 16
2 32.02%
Male 704 360 71.15% 34
4 67.98%
Age(years), median(IQR) 58(50-66) 56(47-63)
Age(years) 0.015
＜60 596 279 55.14% 31
7 62.65%
≧60 416 227 44.86% 18
9 37.35%
Tumor size(cm) 0.646
＜4 361 177 34.98% 18
4 36.36%
≧4 651 329 65.02% 32
2 63.64%
Tumor location 0.418
Cardia 334 178 35.18% 15
6 30.83%
Body 212 98 19.37% 11
4 22.53%
Antrum 409 203 40.12% 20
6 40.71%
Whole 57 27 5.34% 30 5.93%
Differentiation status 0.445
Well 29 12 2.37% 17 3.36%
Moderate 208 110 21.74% 98 19.37%
Poor and undifferentiated 775 384 75.89% 39
1 77.27%
Lauren type 0.431
Intestinal type 360 174 34.39% 18
6 36.76%
Diffuse or mixed type 652 332 65.61% 32
0 63.24%
CEA 0.932
Normal 847 424 83.79% 42
3 83.60%
Elevated 165 82 16.21% 83 16.40%
CA199 0.100
Normal 832 406 80.24% 42
6 84.19%
Elevated 180 100 19.76% 80 15.81%
Depth of invasion 0.001
T1 21 11 2.17% 10 1.98%
T2 59 27 5.34% 32 6.32%
T3 266 77 15.22% 18
9 37.35%
T4a 583 352 69.57% 23
1 45.65%
T4b 83 39 7.71% 44 8.70%
Lymph node metastasis 0.347
N0 233 130 25.69% 10
3 20.36%
N1 215 101 19.96% 11
4 22.53%
N2 213 102 20.16% 11
1 21.94%
N3a 232 113 22.33% 11
9 23.52%
N3b 119 60 11.86% 59 11.66%
Stage 1.000
II 352 176 34.78% 17
6 34.78%
III 660 330 65.22% 33
0 65.22%