| ZZU cohort (n = 184) | SDU cohort (n = 43) | ||||
---|---|---|---|---|---|---|
Characteristic | CR + PR | SD + PD | p value | CR + PR | SD + PD | p value |
Age (years) |  |  | 0.874 |  |  |  > 0.999 |
 < 65 | 39 (60.94) | 75 (62.50) |  | 18 (100) | 25 (100) |  |
≥ 65 | 25 (39.06) | 45 (37.50) |  | 0 (0) | 0 (0) |  |
Sex | Â | Â | 0.308 | Â | Â | 0.701 |
 Male | 49 (76.56) | 83 (69.17) |  | 14 (77.78) | 21 (84.00) |  |
 Female | 15 (23.44) | 37 (30.83) |  | 4 (22.22) | 4 (16.00) |  |
Location | Â | Â | 0.189 | Â | Â | 0.624 |
 Cardia | 39 (60.94) | 54 (45.00) |  | 6 (33.33) | 12 (48.00) |  |
 Body | 12 (18.75) | 33 (27.50) |  | 5 (27.78) | 7 (28.00) |  |
 Antrum | 13 (20.31) | 31 (25.83) |  | 6 (33.33) | 4 (16.00) |  |
 Whole | 0 (0.00) | 2 (1.67) |  | 1 (5.6) | 2 (8.00) |  |
Clinical T stage |  |  | 0.366 |  |  | > 0.999 |
 T3 | 18 (28.12) | 26 (21.67) |  | 0 (0) | 0 (0) |  |
 T4 | 46 (71.88) | 94 (78.33) |  | 18 (100) | 25 (100) |  |
Clinical N stage | Â | Â | 0.457 | Â | Â | 0.253 |
 N- | 16 (25.00) | 24 (20.00) |  | 0 (0) | 3 (12.00) |  |
 N+ | 48 (75.00) | 96 (80.00) |  | 18 (100) | 22 (88.00) |  |
CA 72−4 level |  |  | 0.872 |  |  | > 0.999 |
 Normal | 21 (32.81) | 41 (34.17) |  | 4 (22.22) | 5 (20.00) |  |
 Abnormal | 43 (67.19) | 79 (65.83) |  | 14 (77.78) | 20 (80.00) |  |
CA 19−9 level |  |  | 0.498 |  |  | 0.765 |
 Normal | 16 (25.00) | 36 (30.00) |  | 7 (38.89) | 11 (44.00) |  |
 Abnormal | 48 (75.00) | 84 (70.00) |  | 11 (61.11) | 14 (56.00) |  |
CEA level | Â | Â | 0.640 | Â | Â | 0.099 |
 Normal | 28 (43.75) | 48 (40.00) |  | 15 (83.33) | 14 (56.00) |  |
 Abnormal | 36 (56.25) | 72 (60.00) |  | 3 (16.67) | 11 (44.00) |  |
Radiomics score * | 1.06 (0.69, 1.35) | 1.47 (1.18, 1.87) | < 0.001 | 1.02 (0.03, 1.34) | 1.42 (1.00, 1.93) | 0.012 |