Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 14, 2007; 13(38): 5108-5115
Published online Oct 14, 2007. doi: 10.3748/wjg.v13.i38.5108
Table 2 Statistically analysis of selected parameters of 24-h pH-monitoring in 264 children suspected of GERD; pH-monitoring with 1- or 2- channel probe
Groups of examined children with specific ailmentpH-monitoring parameters-distal channelrange of values; mean; standard deviation (± SD); median; statistical significance (P)
n = 264Number of episodes ofacid GER (pH < 4)Number of episodes of acid GER(pH < 4), lasting > 5 minDuration of the longestepisode of acid GER (min)Total acid GER index (%)Acid GER index(supine position) (%)
Statistical significance between the groups (P)
Group 2 and 3P = 0.0001NS
Group 2 and 4P = 0.0001P = 0.0001
Group 2 and 5P = 0.0001P = 0.0001P = 0.0001P = 0.0001P = 0.0001
Group 3 and 4P = 0.0001P = 0.0001
Group 3 and 5P = 0.0001P = 0.0001
Group 4 and 5NSNS