Govert Veldhuijzen

157 The D-GESQ captures patient satisfaction as a key quality indicator of gastrointestinal endoscopy Table 2. Continued. Question number Content of question Skills and satisfaction Information before endoscopy Pain and discomfort Information after endoscopy Hospital 15 Findings explained by endoscopist 0.63 16 Given explanation was easy to understand 0.56 17 Given explanation was useful 0.71 18 Comfort of recovery area 0.56 19 Overall satisfaction 0.55 20 Endoscopy in future by same endoscopist 0.73 21 Overall reputation of the hospital 0.65 Eigen- value 6.69 2.64 1.70 1.39 1.22 In total, 52.6% were men (N=129). The mean age was 62.7 ±11.54 years. Of all patients, 79.3% had a history of an endoscopic procedure. In this group, 157 (87.2%) had undergone endoscopy two or more times. Most of the patients (41.4%) had secondary education as the highest education level. These levels of education are representative of the general Dutch population. 23 Almost half of the patients (49.3%) were retired. The age and gender of the respondents to the D-GESQ matches with a study from our unit on an independent cohort that was referred for elective colonoscopy. 24 Validation of the D-GESQ All 227 included patients answered each question, so there was no missing data. The confirmatory factor analysis (CFA) showed the following results: GFI 0.718 (not acceptable), RMSEA 0.110 (not acceptable), SRMR 0.085 (acceptable), and the TLI was 0.751 (not acceptable). According to these results, we concluded that our data did not fit with the four-factor model of the original article, so a four factor model was not acceptable for the D-GESQ. The KMO and the Bartlett’s Test of Sphericity for measuring the sampling adequacy and homoscedasticity, respectively, showed that the KMO measure was 0.832 and the 8