Table 1 Univariate analysis of peritoneal dissemination in all patients
Factors | Negative (%) | Positive (%) | χ2 | P value | |
|---|---|---|---|---|---|
Sex | male | 394 (82) | 88 (18) | 3.01 | 0.08 |
female | 154 (76) | 49 (24) | |||
Site | lower | 359 (80) | 91 (20) | 0.95 | 0.81 |
middle | 74 (83) | 15 (17) | |||
upper | 92 (78) | 22 (26) | |||
entire | 23 (82) | 5 (18) | |||
Age (year) | mean (SD) | 58.4 (10.3) | 56.7 (12.2) | 2.88* | 0.09 |
Size (cm) | mean (SD) | 5.4 (2.4) | 5.7 (2.5) | 1.64* | 0.20 |
Infiltrating pattern | INF α/β | 317 (88) | 42 (12) | 32.49 | <0.01 |
INF γ | 231 (71) | 95 (29) | |||
Differentiation | well/moderate | 175 (86) | 29 (14) | 6.08 | 0.01 |
poor | 373 (78) | 108 (22) | |||
Borrmann type | I/II | 97 (90) | 11 (10) | 7.72 | <0.01 |
III/IV | 451 (78) | 126 (22) | |||
Lauren type | intestinal | 172 (85) | 30 (15) | 4.88 | 0.09 |
mixed | 17 (81) | 4 (19) | |||
diffuse | 359 (78) | 103 (22) | |||
Depth of invasion | dMP | 106 (86) | 17 (14) | 3.58 | 0.06 |
SS | 442 (79) | 120 (21) | |||
Lymphatic/venous invasion | - | 444 (80) | 109 (20) | 0.15 | 0.69 |
+ | 104 (79) | 28 (21) | |||
TNM stage | N0(0) | 170 (86) | 27 (14) | 23.21 | <0.01 |
N1 (1–2) | 114 (81) | 27 (19) | |||
N2 (3–6) | 128 (85) | 23 (15) | |||
N3a (7–15) | 101 (72) | 39 (28) | |||
N3b (>15) | 35 (63) | 21 (37) | |||
JCGC stage | N0 | 170 (86) | 27 (14) | 15.57 | <0.01 |
N1 | 173 (83) | 36 (17) | |||
N2 | 184 (75) | 62 (25) | |||
>N3 | 21 (64) | 12 (36) | |||
FCCs # | negative | 84 (85) | 15 (15) | 27.46 | <0.01 |
positive | 4 (25) | 12 (75) |