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Copyright ©2011 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Mar 16, 2011; 3(3): 57-61
Published online Mar 16, 2011. doi: 10.4253/wjge.v3.i3.57
Table 1 ASA physical status classification distribution of patients in Group I and Group II
American society of anesthesiologists (ASA) physical status classification
IIIIIIIV
Group I319152
Group II417232