Table 1.
Clinical characteristics of gastric cancer patients in the training and validation cohorts
| Clinical characteristics | Training cohort (n = 377) | p value | Validation cohort (n = 162) | p value | ||
|---|---|---|---|---|---|---|
| Intestinal type (n = 173) | Diffuse type (n = 204) | Intestinal type (n = 70) | Diffuse type (n = 92) | |||
| Age, mean ± SD, years | 65.2 ± 8.8 | 62.2 ± 9.6 | 0.0042* | 64.3 ± 8.8 | 62.6 ± 11.0 | 0.3045 |
| Sex, No. (%) | 0.0702 | 0.8752 | ||||
| male | 130 (75.1) | 135 (66.2) | 54 (77.1) | 70 (76.1) | ||
| female | 43 (24.9) | 69 (33.8) | 16 (22.9) | 22 (23.9) | ||
| CT T stage, No. (%) | 0.0247* | 0.6810 | ||||
| T1–2 | 53 (30.6) | 38 (18.6) | 18 (25.7) | 19 (20.7) | ||
| T3 | 75 (43.4) | 102 (50.0) | 25 (35.7) | 38 (41.3) | ||
| T4 | 45 (26.0) | 64 (31.4) | 27 (38.6) | 35 (38.0) | ||
| CT N stage, No. (%) | 0.0061* | 0.0430* | ||||
| N0 | 46 (26.6) | 45 (22.1) | 10 (14.3) | 22 (23.9) | ||
| N1 | 80 (46.2) | 72 (35.3) | 35 (50.0) | 26 (28.3) | ||
| N2 | 40 (23.1) | 63 (30.9) | 20 (28.6) | 34 (37.0) | ||
| N3 | 7 (4.0) | 24 (11.8) | 5 (7.1) | 10 (10.9) | ||
NOTE. p values are derived from univariate analysis between each clinical characteristic and the Lauren classification. Abbreviations: SD Standard deviation, CT Computed tomography. *p value < .05