Which Factors Are Important for Successful Sentinel Node Navigation Surgery in Gastric Cancer Patients? Analysis from the SENORITA Prospective Multicenter Feasibility Quality Control Trial
Table 2
Clinicopathological factors associated with at least 5 SBN evaluations at back table and frozen section (step 7 in checklist).
Success in step 7 ()
Failure in step 7 ()
Learning curve
0.734
First half cases
40 (85.1%)
7 (14.9%)
Last half cases
42 (87.5%)
6 (12.5%)
Age (years)
1.000
<60
53 (86.9%)
8 (13.1%)
≥60
29 (85.3%)
5 (14.7%)
Gender
0.558
Male
37 (84.1%)
7 (15.9%)
Female
45 (88.2%)
6 (11.8%)
BMI (kg/m2)
0.028
0.042
<23.0
33 (97.1%)
1 (2.9%)
Odds ratio = 8.082
Odds ratio = 10.322
≥23.0
49 (80.3%)
12 (19.7%)
95% CI = 1.002~65.156
95% CI = 1.082~98.437
Longitudinal tumor locations
0.319
Lower 1/3
45 (81.8%)
10 (18.2%)
Middle 1/3
36 (92.3%)
3 (7.7%)
Upper 1/3
1 (100.0%)
0 (0%)
Circumferential tumor locations
0.059
Lesser curvature
24 (92.3%)
2 (7.7%)
Greater curvature
27 (90.0%)
3 (10.0%)
0.881
Anterior wall
21 (91.3%)
2 (8.7%)
0.812
Posterior wall
10 (62.5%)
6 (37.5%)
0.056
Number of sentinel basin
0.313
1
32 (82.1%)
7 (17.9%)
≥2
50 (89.3%)
6 (10.7%)
Sentinel basin location
0.666
Lesser curvature
27 (90.0%)
3 (10.0%)
Greater curvature
28 (82.4%)
6 (17.6%)
LC + GC
27 (87.1%)
4 (12.9%)
LN station of sentinel basin
0.593
N1 group (LN numbers 1~6)
74 (85.1%)
13 (14.9%)
N2 group (LN numbers 7, 8a, 9, and 11d)
8 (100.0%)
0 (0%)
Endoscopic tumor size (cm)
0.156
0.054
≤2
36 (92.3%)
3 (7.7%)
>2
46 (82.1%)
10 (17.9%)
Histology
0.210
0.105
Tubular adenocarcinoma
54 (90.0%)
6 (10.0%)
Signet ring cell carcinoma
26 (78.8%)
7 (21.2%)
pT
0.644
T1
73 (86.9%)
11 (13.1%)
T2~4
9 (81.8%)
2 (18.2%)
pN
1.000
N0
72 (85.7%)
12 (14.3%)
N1~3
10 (90.9%)
1 (9.1%)
Chi-square test or Fisher’s exact test. Multivariate analysis, using factors of . BMI: body mass index; CI: confidence interval; LN: lymph node.
