Clinical Study

Impact of the Number of Dissected Lymph Nodes on Survival for Gastric Cancer after Distal Subtotal Gastrectomy

Table 1

Clinical characteristics of the 634 patients.

CharacteristicsPatients

Gender
 Male 467 (73.6)
 Female 167 (26.4)
Age (years) 56.1 ± 12.1 (range, 22~87)
Tumor diameter (cm)4.3 ± 1.7 (range, 0.5~15)
Tumor location
 Lower 521 (80.8)
 Middle71 (11.2)
 Lower and middle42 (8.0)
Digestive tract construction
 Billroth I 469 (74.0)
 Billroth II 148 (22.3)
 Roux-en-Y17 (3.7)
Pathology
 Differentiated 140 (22.1)
 Undifferentiated 494 (77.9)
Depth of invasion
 pT1 118 (18.6)
 pT2 106 (16.7)
 pT3 68 (10.7)
 pT4a342 (54.0)
pN category
 pN0 195 (30.8)
 pN1 115 (18.1)
 pN2 117 (18.5)
 pN3207 (32.6)
Number of resected LNs
 0~9 LNs32 (5.0)
 10~14 LNs75 (11.8)
 15~19 LNs 111 (17.5)
 20~24 LNs 161 (25.4)
 25~29 LNs 118 (18.6)
 30~34 LNs78 (12.3)
 ≥35 LNs59 (9.4)
TNM stage
 I 133 (21.0)
 II 165 (26.0)
 III 336 (53.0)