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Table 3 Clinicopathologic features of RGC according to reconstruction method

From: Clinicopathologic features of remnant gastric cancer after curative distal gastrectomy according to previous reconstruction method: a retrospective cohort study

Variables

RGC-B I

(n = 13)

RGC-B II

(n = 35)

p value

OR

95% CI for OR

p value

Interval (years)

      

 < 5

5 (38.5%)

10 (28.6%)

0.024

1

-

-

 ≥ 5, < 10

7 (53.8%)

8 (22.9%)

0.571

0.130~2.503

0.458

 ≥ 10

1 (7.7%)

17 (48.6%)

8.500

0.865~83.493

0.066

Recurrence site

      

 Non-anastomosis

11 (84.6%)

10 (28.6%)

0.001

1

-

-

 Anastomosis

2 (15.4%)

25 (71.4%)

13.750

2.574~73.455

0.002

Differentiation

      

 Differentiated

6 (46.2%)

15 (42.9%)

0.838

1

-

-

 Undifferentiated

7 (53.8%)

20 (57.1%)

1.143

0.314~4.109

0.838

Previous cancer stage

      

 Stage I

11 (84.6%)

19 (54.3%)

0.151

1

-

-

 Stage II

1 (7.7%)

10 (28.6%)

 

5.789

0.651~51.505

0.115

 Stage III

1 (7.7%)

6 (17.1%)

 

3.272

0.369~32.743

0.277

Previous PRM (cm)

      

 < 3

3 (23.1%)

6 (17.1%)

0.687

1

-

-

 ≥ 3

10 (76.9%)

29 (82.9%)

 

1.450

0.304~6.909

0.641

 Total

6.4 ± 3.6

5.7 ± 3.9

0.580

   

Previous LI

      

 Positive

3 (23.1%)

14 (40.0%)

0.330

2.222

0.518~9.537

0.283

 Negative

10 (76.9%)

21 (60.0%)

 

1

-

-

Previous VI

      

 Positive

1 (7.7%)

2 (5.7%)

1.000

0.727

0.060~8.769

0.802

 Negative

12 (92.3%)

33 (94.3%)

 

1

-

-

Lauren classification

      

 Intestinal

4 (30.8%)

13 (37.1%)

0.904

1

-

-

 Diffuse

5 (38.5%)

13 (37.1%)

0.800

0.174~3.669

0.774

 Mixed

4 (30.8%)

9 (25.7%)

0.692

0.136~3.518

0.658

  1. RGC, remnant gastric cancer; RGC-B I, remnant gastric cancer after Billroth I reconstruction; RGC-B II, remnant gastric cancer after Billroth II reconstruction; OR, odds ratio; PRM, proximal resection margin; LI, lymphatic invasion; VI, vascular invasion; p value, p value for chi-square test; p value, p value for odds ratio