Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 7, 2013; 19(29): 4791-4798
Published online Aug 7, 2013. doi: 10.3748/wjg.v19.i29.4791
Figure 1
Figure 1 Flow of participants throughout the trial. GI: Gastrointestinal; COPD: Chronic obstructive pulmonary disease; Group Cs: COPD with stepwise sedation; Group Cc: COPD with continuous sedation; Group Ns: Non-COPD with stepwise sedation; Group Nc: Non-COPD with continuous sedation.