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Table 1 Comparison of clinical baseline data in the two groups

From: Analysis of the short- and long-term outcomes of membrane anatomy-guided laparoscopic spleen-preserving circumferential splenic hilar lymph node dissection for treating advanced proximal gastric cancer

Characteristics L-ASHD
n = 103
L-CSHD
M − n = 83
χ2 value P value
Age (years) 62.61 ± 9.94 63.63 ± 8.92   0.47
Sex    0.139 0.71
 Male 77 64   
 Female 26 19   
BMI (kg/m2) 21.81 ± 2.54 21.91 ± 2.84   0.804
Tumor diameter (cm) 4.63 ± 2.26 5.23 ± 2.64   0.101
Tumor differentiation (Lauren classification)    0.953 0.621
 Intestinal type 35 23   
 Mixed type 36 30   
 Diffuse type 32 30   
pTNM stage    5.84 0.322
 Ib 13 5   
 IIa 5 8   
 IIb 23 19   
 IIIa 13 17   
 IIIb 20 13   
 IIIc 29 21   
T stage    0.763 0.683
 T2 15 11   
 T3 31 30   
 T4 57 42   
N stage    6.883 0.076
 N1 42 23   
 N2 12 11   
 N3 17 26   
 N4 32 23   
Comorbidities    5.68 0.339
 Hypertension 14 16   
 Diabetes 6 3   
 Coronary heart disease 3 6   
 Chronic obstructive pulmonary disease (COPD) 7 3   
 Silicosis 2 0   
ASA score   50 1.62 0.444
 I 60 21   
 II 33 12   
 III 10    
  1. P < 0.05 was considered statistically significant