Govert Veldhuijzen

111 CBE is non-inferior to nurse counselling prior to colonoscopy, a multicenter RCT Table 4s. Laxative regimes (1) In the trial, 3/4 trial sites used Polyethylene glycol, 1 trial site used sodium picosulfate. Patients reported the used regime on the day of colonoscopy. In total, 269 patients (54.1%) responded. Comparing the different groups (nurse counselling and CBE), no significant difference was found in the used regimes (see tables below). Cross tabulation on the type of laxative used and an adequate bowel preparation showed no significant difference amongst groups. Type of laxative * Type of education Crosstabulation Type of education Total CBE Nurse Type of laxative Sodium Picosulfate Count 63 46 109 % within Type of laxative 57.8% 42.2% 100.0% Polyethylene glycol Count 80 79 159 % within Type of laxative 50.3% 49.7% 100.0% Phosphoral Count 0 1 1 % within Type of laxative 0.0% 100.0% 100.0% Total Count 143 126 269 % within Type of laxative 53.2% 46.8% 100.0% Chi-Square Tests Value df Asymptotic Significance (2-sided) Pearson Chi-Square 2.594 a 2 0.273 Likelihood Ratio 2.980 2 0.225 N of Valid Cases 269 a. 2 cells (33.3%) have expected count less than 5. The minimum expected count is .47. 5