Skip to main content

Table 1 Univariate analysis of peritoneal dissemination in all patients

From: Factors associated with peritoneal metastasis in non-serosa-invasive gastric cancer: a retrospective study of a prospectively-collected database

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)   
  1. * Unpaired t-test; # analysis only included 115 patients with intraoperative cytological examination.