Measure | Group | M (95% CI) | Median | SD | Min | Max | Range | IQR |
---|---|---|---|---|---|---|---|---|
(a) Withdrawal time (min) | Novices | 14.09 (13.32–14.87) | 14.91 | 1.55 | 9.85 | 15.36 | 5.51 | 2.53 |
Experienced Endoscopists | 11.91 (10.86–12.97) | 11.64 | 1.57 | 9.18 | 14.50 | 5.32 | 2.03 | |
(b) Linear distance travelled by colonoscope (m) | Novices | 1.17 (1.02–1.32) | 1.19 | 0.31 | 0.62 | 1.55 | 0.93 | 0.53 |
Experienced Endoscopists | 3.78 (2.93–4.62) | 3.95 | 1.26 | 2.06 | 5.71 | 3.65 | 2.30 | |
(c) Total tip distance travelled (m) | Novices | 4.69 (3.95–5.42) | 4.88 | 1.48 | 2.63 | 8.39 | 5.75 | 2.02 |
Experienced Endoscopists | 7.22 (5.81–8.65) | 7.55 | 2.11 | 4.87 | 10.29 | 5.42 | 4.57 | |
(d) Tip distance travelled due to up/down control movement (m) | Novices | 2.61 (2.15–3.07) | 2.61 | 0.93 | 1.38 | 4.96 | 3.58 | 1.60 |
Experienced Endoscopists | 4.67 (3.76–5.58) | 4.51 | 1.36 | 3.36 | 6.75 | 3.39 | 2.56 | |
(e) Tip distance travelled due to left/right control movement (m) | Novices | 1.51 (0.93–2.09) | 1.75 | 1.16 | 0.02 | 4.12 | 4.10 | 1.85 |
Experienced Endoscopists | 1.95 (1.24–2.67) | 2.14 | 1.06 | 0.22 | 3.61 | 3.38 | 1.64 | |
(f) Tip distance travelled due to axial rotation (m) | Novices | 0.83 (0.48–1.18) | 0.61 | 0.70 | 0.12 | 2.34 | 2.23 | 1.02 |
Experienced Endoscopists | 1.89 (1.41–2.37) | 1.90 | 0.72 | 0.76 | 2.97 | 2.20 | 1.38 |