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Table 4 Clinicopathological characteristics of the two N-category / N-ratio groups determined

From: Adjuvant chemoradiotherapy after d2-lymphadenectomy for gastric cancer: the role of n-ratio in patient selection. results of a single cancer center

Variable Group 1 (N1-NR1a N2-NR1) Group 2 (N1-NR1b N2-NR2 and NR3) P
Gender
Male 10 25 0.077
Female 15 15  
Age
Mean 60,1 64,2 0.249
Gastrectomy
Total 14 23 0.905
Subtotal 11 17  
Extended resection
Yes 21 32 0.477
No 4 8  
No. of dissected nodes
Median 40 (23–69) 28 (10–50) <0.001
Location
Cardia 1 9 0.130
Body 11 15  
Antrum 13 16  
Lauren histology
Intestinal 12 21 0.724
Diffuse 13 19  
Lymphatic vessel invasion
Yes 9 16 0.747
No 16 24  
Perineural invasion
Yes 12 15 0.403
No 13 25  
T category
T1 5 2 0.286
T2 4 8  
T3 3 3  
T4a 11 25  
T4b 2 2