Original Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Mar 16, 2012; 4(3): 80-86
Published online Mar 16, 2012. doi: 10.4253/wjge.v4.i3.80
Table 2 Clinical features of study subjects administered low- or high-dose of diazepam
VariablesLow-dose group (n = 252)High-dose group(n = 79)P value
Age (yr) (mean ± SD)69.8 ± 9.168.3 ± 10.1NS
Sex (male / female)194/5867/12NS
Lifetime alcohol consumption (t) (mean ± SD)0.30 ± 0.480.44 ± 0.520.032
Smoking habit (Brinkmanindex) (mean ± SD)649.5 ± 767.7497.8 ± 582.5NS
Body weight (kg) (mean ± SD)58.4 ± 10.362.0 ± 9.90.006
Anxiolytic agents (used/not used)46/2067/72NS
ASA classification (ASA 1/ASA 2 / ASA 3)48/151/5320/47/12NS
Comorbidities
Hypertension, n (%)127 (50.3)39 (49.4)NS
Diabetes mellitus, n (%)44 (17.5)11 (13.9)NS
Heart disease, n (%)58 (23.0)18 (22.8)NS
Respiratory disease, n (%)30 (11.9)4 (5.1)NS
Chronic renal failure, n (%)4 (1.6)0 (0)NS
Liver cirrhosis, n (%)21 (8.3)5 (6.3)NS