TABLE 2.
Summary of study results
| Author (reference) | Outcome | Findings | Comparator |
|---|---|---|---|
| Kim et al (49) | Satisfaction | Overall satisfaction was similar for ACBE, sigmoidoscopy, colonoscopy | 7-point rating scale: “How satisfied were you with the procedure overall?” 1: ‘Satisfied’ – 7: ‘Dissatisfied’ |
| WTR | OR:1.82 (95% CI 1.07–3.09): ABCE patients more likely to be NOT WILLING to return compared to colonoscopy patients; OR: 1.02 (95% CI 0.66–1.57): No difference between sigmoidoscopy and colonoscopy | 7-point rating scale: “If it were advised by your doctor, how willing would you be to undergo this test again?” 1: ‘Very willing’ – 7: ‘Not willing’ | |
| Lee et al (48) | Satisfaction | Mean score: 7.2 | 10 cm visual analogue scale: 0: ‘Not satisfied’ – 10: ‘Very satisfied’. |
| WTR | 78.4% | % willing to repeat patient controlled sedation for colonoscopy (yes or no) | |
| Rex et al (52) | Satisfaction | 95.7% “very satisfied” | Question not reported. Satisfaction rated as either ‘somewhat satisfied’ or ‘very satisfied’ |
| WTR | 100% | % willing to return to the same colonoscopist (yes or no) | |
| Bosworth et al (43) | Satisfaction | Mean score: colonoscopy: 1.81; ACBE: 2.11; CTC: 1.94 | Question not reported. 5-point Likert scale: 1: ‘Totally agree’ – 5: ‘Totally disagree’ |
| WTR | Mean score: colonoscopy: 1.78; ACBE: 2.08; CTC: 1.90 | Question not reported. 5-point Likert scale: 1: ‘Totally agree’ – 5: ‘Totally disagree’ | |
| Preference | Preference for colonoscopy compared with CTC | Deduced from ratings for three procedures | |
| Ristvedt et al (50) | Satisfaction | 95% rated colonoscopy ‘not unpleasant’ or ‘a little unpleasant’ | Question not reported. Satisfaction ranked as: ‘Not unpleasant’, ‘A little unpleasant’, ‘Somewhat unpleasant’, ‘Very unpleasant’, ‘Extremely unpleasant’ |
| Preference | 14.2% colonoscopy; 57.5% CTC; 28.3% no preference | % who preferred CTC/colonoscopy | |
| van Gelder et al (54) | Preference | 71% preferred CTC to colonoscopy immediately after procedure; 61% preferred CTC to colonoscopy 5 weeks following the procedure | % who chose CTC/colonoscopy for next examination |
| Akerkar et al (53) | Preference | 63.7% preferred colonoscopy to CTC | % who preferred CTC/colonoscopy |
| 69.1% who preferred colonoscopy had a strong preference | % strongly preferred colonoscopy: “Rate how strongly you preferred colonoscopy” 1: ‘Strong preference’ – 7: ‘Least preference’ | ||
| Gluecker (40) | Preference | 72.3% preferred CTC to colonoscopy | % who preferred CTC/colonoscopy |
| Hoffman et al (51) | WTR | 73% | % ‘willing to undergo another colonoscopy, if medically indicated, without premedication’ |
| Takahashi et al (44) | WTR | 98.2% | Question not reported. % willing to undergo future colonoscopy |
| Yörük et al (47) | WTR | 88% | Question not reported. % willing to undergo colonoscopy again without sedation |
| Nicholson and Korman (41) | WTR | 99% | Question not reported. % willing to have procedure again |
| Eckardt et al (46) | Satisfaction | 98% agreement to satisfaction statement; mean score: 1.36 | 5-point Likert scale: “I was very satisfied with the care I received” 1: ‘Strongly agree’ – 5: ‘Strongly disagree’ |
| WTR | 92% agreement to WTR statement | 5-point Likert scale: “I would be willing to repeat the exam in the future in necessary” 1: ‘Strongly agree’ – 5: ‘Strongly disagree’ | |
| Marbet et (42) | Satisfaction | 91.3% | Question not reported |
| Lin et al (45) | Satisfaction | Mean score: 6.74 | 7-point Likert scale: “I am satisfied with my overall experience here for the procedure” 1: ‘Strongly disagree’ – 7: ‘Strongly agree’ |
Satisfaction Satisfaction with colonoscopy; Preference Preference of colonoscopy versus other procedures; WTR Willingness to return for same procedure under the same conditions (% yes). ACBE Air contrast barium enema; CTC Computed tomographic colonography