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 1 Clinicopathological features of study subjects with a low (≤ 1.5 h ) or high (> 1.5 h) procedure time
VariablesProcedure time1.5 h (n = 180)Procedure time > 1.5 h (n = 151)P value
Age (yr) (mean ± SD)69.9 ± 9.169.0 ± 9.6NS
Sex (male/female)136/44125/26NS
Lifetime alcohol consumption (t) (mean ± SD)0.30 ± 0.500.37 ± 0.48NS
Smoking habit (Brink man index) (mean ± SD)655.1 ± 777.7563.0 ± 666.9NS
Body weight (kg) (mean ± SD)58.5 ± 10.960.1 ± 9.6NS
Tumor size (mm) (mean ± SD)13.3 ± 7.722.3 ± 16.0< 0.001
Tumor location in stom ach (U + M/L)54/12694/57< 0.001
Gross morphological type (0-I / IIa vs 0-IIb / IIc vs combined)92/68/2076/66/9NS
Tumor depth (mucosa/ submucosa)168/12134/17NS
Histological type (cancer /adenoma)124/56108/43NS
Ulcerative findings, n (%)2 (1.1)30 (19.9)< 0.001
Diazepam (mg) (mean ± SD)9.9 ± 3.317.5 ± 7.8< 0.001