Table 3.
Outcomes of colonoscopy performance according to expert and trainee subgroups
|
|
Polyp detection rate
|
Adenoma detection rate
|
Insertion time (min)
|
Withdrawal time (min)
|
| Expert | ||||
| Total (n = 173) | 115 (66.5%) | 83 (48.0%) | 3.75 (2.57-5.68) | 10.68 (8.22-15.22) |
| Music (n = 88) | 58 (65.9%) | 45 (51.1%) | 3.57 (2.59-5.80) | 10.30 (7.95-15.27) |
| No music (n = 85) | 57 (67.1%) | 38 (44.7%) | 3.83 (2.42-5.65) | 10.90 (8.48-14.10) |
| P value | > 0.999 | 0.488 | 0.852 | 0.560 |
| Trainee | ||||
| Total (n = 165) | 94 (57.0%) | 61 (37.0%) | 6.30 (4.58-8.82) | 12.07 (8.92-19.0) |
| Music (n = 81) | 38 (46.9%) | 21 (25.9%) | 6.30 (4.50-8.70) | 10.82 (8.78-17.43) |
| No music (n = 84) | 56 (66.7%) | 40 (47.6%) | 6.27 (4.78-9.11) | 13.68 (9.31-20.33) |
| P value | 0.016 | 0.006 | 0.831 | 0.123 |
Data are expressed as n (%), median (interquartile range), P-values were calculated using Kruskal-Wallis test and χ2 test.