Table 2 Comparison of characteristics of the patients according to Slug composite score
Measures | Total patients (N = 459) | Low (n = 104) | Mid (n = 130) | High (n = 225) | P |
|---|---|---|---|---|---|
Age (years) | |||||
Mean ± SD | 58.6 ± 11.9 | 56.3 ± 12.3 | 58.9 ± 11.8 | 59.6 ± 11.6 | 0.064 |
Range | 23–86 | 23–81 | 32–82 | 24–86 | |
Male | 313 (68.2%) | 65 (62.5%) | 94 (72.3%) | 154 (68.4%) | 0.276 |
Type of surgery | |||||
Total gastrectomy | 166 (36.2%) | 30 (28.8%) | 51 (39.2%) | 85 (37.8%) | |
Subtotal gastrectomy | 290 (63.2%) | 73 (70.2%) | 78 (60.0%) | 139 (61.8%) | |
Wedge resection | 3 (0.7%) | 1 (1.0%) | 1 (0.8%) | 1 (0.4%) | |
Tumor size (cm) | |||||
Mean ± SD | 5.0 ± 2.9 | 4.1 ± 2.5 | 5.1 ± 3.3 | 5.4 ± 2.8 | 0.001 |
Range | 0.2–19.0 | 0.4–12.5 | 0.5–19.0 | 0.2–15.5 | |
Location | |||||
Upper third | 80 (17.4%) | 16 (15.4%) | 22 (16.9%) | 42 (18.7%) | 0.599 |
Middle third | 164 (35.7%) | 43 (41.3%) | 50 (38.5%) | 71 (31.6%) | |
Lower third | 206 (44.9%) | 44 (42.3%) | 55 (42.3%) | 107 (47.6%) | |
Whole stomach | 9 (2.0%) | 1 (1.0%) | 3 (2.3%) | 5 (2.2%) | |
Tumor depth (pT) | |||||
T1 | 120 (26.1%) | 56 (53.8%) | 30 (23.1%) | 34 (15.1%) | <0.001 |
T2 | 62 (13.5%) | 18 (17.3%) | 26 (20.0%) | 18 (8.0%) | |
T3 | 121 (26.4%) | 14 (13.5%) | 35 (26.9%) | 72 (32.0%) | |
T4 | 156 (34.0%) | 16 (15.4%) | 39 (30.0%) | 101 (44.9%) | |
TNM Stage | |||||
I | 131 (28.5%) | 62 (59.6%) | 37 (28.5%) | 32 (14.2%) | <0.001 |
II | 122 (26.6%) | 25 (24.0%) | 45 (34.6%) | 52 (23.1%) | |
III | 206 (44.9%) | 17 (16.3%) | 48 (36.9%) | 141 (62.7%) | |
Venous invasiona | |||||
Negative | 406 (88.5%) | 97 (94.2%) | 117 (90.0%) | 192 (85.3%) | 0.055 |
Positive | 52 (11.3%) | 6 (5.8%) | 13 (10.0%) | 33 (14.7%) | |
Perineural invasion | |||||
Negative | 270 (58.8%) | 81 (77.9%) | 75 (57.7%) | 114 (50.7%) | <0.001 |
Positive | 189 (41.2%) | 23 (22.1%) | 55 (42.3%) | 111 (49.3%) | |
Histology | |||||
Adenocarcinoma | 0.005b | ||||
Well differentiated | 38 (8.3%) | 12 (11.5%) | 5 (3.8%) | 21 (9.3%) | |
Moderately differentiated | 136 (29.6%) | 23 (22.1%) | 44 (33.8%) | 69 (30.7%) | |
Poorly differentiated | 189 (41.2%) | 35 (33.7%) | 53 (40.8%) | 101 (44.9%) | |
Mucinous adenocarcinoma | 19 (4.1%) | 5 (4.8%) | 7 (5.4%) | 7 (3.1%) | |
Signet ring cell carcinoma | 77 (16.8%) | 29 (27.9%) | 21 (16.2%) | 27 (12.0%) | |
Lauren classification | |||||
Intestinal | 174 (37.9%) | 40 (38.5%) | 47 (36.2%) | 87 (38.7%) | 0.433 |
Diffuse | 177 (38.6%) | 40 (38.5%) | 58 (44.6%) | 79 (35.1%) | |
Mixed | 108 (23.5%) | 24 (23.1%) | 25 (19.2%) | 59 (26.2%) | |