Randomized Controlled Trial
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 21, 2015; 21(15): 4707-4714
Published online Apr 21, 2015. doi: 10.3748/wjg.v21.i15.4707
Table 1 Patient characteristics and results of pre-procedural anxiety scores
Group 1 (visual distraction)Group 2 (no visual distraction)P value
Number of patients2829
Gender, male:female19:919:100.93
Age, median (IQR, range)65.5 (16.25, 32-79)66 (11, 45-77)0.92
Previous experience with colonoscopy
yes64.3%62.1%0.86
Number of colonoscopies, median (range, IQR)2 (2, 0-8)2 (3, 0-10)0.45
Pre-procedural anxiety score, median (range, IQR)52.5 (48.75, 0-95)51 (55, 0-100)0.53
Table 2 Features and outcomes of procedure
Group 1 (visual distraction)Group 2 (no visual distraction)P value
Cecal insertion rate96.4%96.6%0.98
Time to reach cecum, in seconds, median (IQR, range)634.5 (230, 150-1669)720 (430, 326-2040)0.52
Time needed for total procedure, in seconds, median (IQR, range)921 (245.25, 412-1856)1056 (375, 558-2375)0.29
Systolic blood pressure, in mmHg, median (IQR, range)
Before procedure132.5 (22.75, 102-165)132 (27, 98-170)0.96
Highest during procedure140 (21.75, 99-220)134 (46, 107-193)0.99
After procedure128.5 (14.5, 97-182)127 (25, 100-165)0.85
Table 3 Results of questionnaires
Group 1 (visual distraction)Group 2 (no visual distraction)P value
Pre-procedural anxiety score, median (IQR, range)52.5 (48.75, 0-95)51 (55, 0-100)0.53
Anxiety score during procedure, median (IQR, range)20 (17.25, 0-85)24 (67, 0-96)0.70
Pain score during procedure, median (IQR, range)24.5 (33.25, 0-96)42 (52, 0-100)0.47
Post-procedural satisfactory score, median (IQR, range)89 (21.75, 18-100)72 (42, 1-100)0.04
Willing to receive the same method at next time75.0%48.3%0.04
Table 4 Questionnaire results in patients with a pre-procedural anxiety score of 50 or higher
Visual distractionNo visual distractionP value
Number of patients17160.67
Cecal insertion rate100%100%NS
Time to reach cecum, in seconds, median (IQR, range)639 (305, 260-1669)611 (446.25, 326-1571)0.80
Time needed, for total procedure, in seconds, median (IQR, range)923 (302, 482-1856)1000.5 (427.5, 558-1822)0.93
Pre-procedural anxiety score, median (IQR, range)75 (18, 51-95)69 (24.75, 51-100)0.44
Anxiety score during procedure, median (IQR, range)20 (29, 7-85)68 (49.75, 11-91)0.05
Pain score during procedure, median (IQR, range)23 (30, 0-83)57 (40.25, 2-100)0.04