Predictive value of positive lymph node ratio in patients with locally advanced gastric remnant cancer

Table 1 Baseline characteristics of all patients, n (%)

Variables	Values
Gender
Male	66 (89.2)
Female	8 (10.8)
Age (yr) (mean ± SD, range)	66.24 ± 9.057 (41-86)
Initial surgery
Benign	64 (86.5)
Malignant	10 (13.5)
Interval (yr) (mean ± SD, range)	29.32 ± 11.97 (5-55)
Reconstruction
Billroth I	20 (27.0)
Billroth II	54 (73.0)
Lesion location
Anastomosis site	47 (63.5)
Non-anastomotic	22 (29.7)
Total remnant stomach	5 (6.8)
Histological types
Differentiated	22 (29.7)
Undifferentiated	52 (70.3)
Borrmann
Borrmann I	7 (9.4)
Borrmann II	13 (17.6)
Borrmann III	46 (62.2)
Borrmann IV	8 (10.8)
Vascular or nerve invasion
Yes	33 (44.6)
No	41 (55.4)
Tumor diameter (cm) (mean ± SD, range)	5.59 ± 2.61 (0.50-12.00)
Combine resection
Yes	26 (35.1)
No	48 (64.9)
Hypoproteinemia
Yes	15 (20.3)
No	59 (79.7)
Anemia
Yes	24 (32.4)
No	50 (67.6)
Serum tumor biomarkers level
Normal	47 (63.5)
Abnormal	27 (36.5)
Depth of tumor invasion
T2/T3	13 (17.6)
T4	61 (82.4)
N stage
N0	27 (36.5)
N1	13 (17.6)
N2	18 (24.3)
N3	16 (21.6)
LNR stage
LNR0	27 (36.5)
LNR1	12 (16.2)
LNR2	16 (21.6)
LNR3	19 (25.7)
TNM stage
IB-II	26 (35.1)
III	48 (64.9)

N stage: Lymph node stage; LNR: Lymph node ratio; TNM stage: Tumor-node metastasis stage.