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Table 2 Comparison of preoperative delirium-related factors between famotidine- and omeprazole-treated groups

From: Reduction in the rate of postoperative delirium by switching from famotidine to omeprazole in Japanese hepatectomized recipients

  famotidine
(n = 10)
omeprazole
(n = 11)
P value
Age (year) 77.4 ± 5.3 72.7 ± 6.1 0.073
Gender (male/female) 6/4 10/1 0.126
Body mass Index 23.3 ± 2.80 23.9 ± 2.53 0.597
Hypertension 7 5 0.245
Diabetes 4 6 0.410
Cerebral vascular disease 2 0 0.214
Respiratory disorders 1 4 0.185
Alcohol abuse 2 1 0.462
Abnormal sodium or potassium 3 1 0.256
Hypoalbuminemia 1 0 0.476
Liver damage (A/B) 9/1 10/1 0.738
Benzodiazepine administrationa) 3 0 0.090
H2 receptor antagonist administrationa) 0 3 0.124
  1. Values are number of patients or mean ± SD
  2. Liver damage was assessed according to “The general rules for the clinical and pathological study of primary liver cancer, 6th Edition”
  3. a)These drugs were taken until one day before the hepatectomy surgery
  4. In statistical analyses, Mann-Whitney U-test was used for age and body mas index, and Fisher’s exact test was used for other characteristics