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Table 3 Correlations between the clinicopathological characteristics of 1691 gastric cancer patients and subsequent cholecystectomy

From: Clinical analysis of prophylactic cholecystectomy during gastrectomy for gastric cancer patients: a retrospective study of 1753 patients

Variables Subsequent cholecystectomy χ2 p value Odds ratio (95% CI) p value
Yes (n = 45) No (n = 1646)
Age (years)
 >75 11 435 0.089 0.865   
 ≤75 34 1211     
Gender
 Male 32 1190 0.031 0.867   
 Female 13 456     
BMI decreased rate
 ≤5% 9 567 4.071 0.055   
 >5% 36 1079     
TNM stage
 Stage I+ II 32 1214 0.158 0.732   
 Stage III 13 432     
Tumor differentiation grade
 Grade I + II 32 1108 0.287 0.633   
 Grade III 13 538     
Method of gastrectomy
 Billroth I 2 332 6.834 0.007* 1 0.020*
 No-Billroth I 43 1314    5.432 (1.309–22.539)  
Lymph node dissection
 D1 10 254 1.533 0.213   
 D2 35 1392     
Diabetes mellitus
 No 32 1383 5.346 0.038* 1 0.024*
 Yes 13 263    2.136 (1.106–4.125)  
  1. *p < 0.05