Table 1 Demographic characteristics of EGC patients in the training and validation sets.
Variables | Training set (n = 455) n (%) | Validation set (n = 113) n (%) | ||||
|---|---|---|---|---|---|---|
CR (n = 385) | NCR (n = 70) | P value | CR (n = 92) | NCR (n = 21) | P value | |
Sex | ||||||
Male | 277 (71.9) | 54 (77.1) | > 0.05 | 67 (72.8) | 15 (71.4) | > 0.05 |
Female | 108 (28.1) | 16 (22.9) | 25 (27.2) | 6 (28.6) | ||
Age (year) | ||||||
≥ 60 | 253 (65.7) | 38 (54.3) | > 0.05 | 29 (31.5) | 8 (38.1) | > 0.05 |
< 60 | 132 (34.3) | 32 (45.7) | 63 (68.5) | 13 (61.9) | ||
Smoking | 146 (37.9) | 27 (38.6) | > 0.05 | 32 (34.8) | 10 (47.6) | > 0.05 |
Drinking | 104 (27.0) | 27 (38.6) | > 0.05 | 28 (30.4) | 8 (38.1) | > 0.05 |
Hypertension | 110 (28.6) | 19 (27.1) | > 0.05 | 27 (29.3) | 4 (19.0) | > 0.05 |
Diabetes | 45 (11.7) | 4 (5.7) | > 0.05 | 15 (16.3) | 4 (19.0) | > 0.05 |
BMI | ||||||
< 25 | 214 (55.6) | 40 (57.1) | > 0.05 | 51 (56.7) | 14 (66.7) | > 0.05 |
≥ 25 | 17 (44.4) | 30 (42.9) | 39 (43.3) | 7 (33.3) | ||
CEA | ||||||
< 2.34 | 244 (63.4) | 37 (52.9) | > 0.05 | 59 (67.0) | 16 (76.2) | > 0.05 |
≥ 2.34 | 122 (31.7) | 31 (44.3) | 29 (33.0) | 5 (23.8) | ||
