Table 7.

Caecal intubation rate, insertion time and withdrawal time

	SC	EAC	Difference (one-sided 97.5% CI)	Non-inferiority margin
Caecal intubation rate: N (%)
Global	852 (96.4%)	858 (96.7%)	0.4% (−1.3% to ∞)	5%
Non-BCSP	458 (95.2%)	474 (96.0%)	0.7% (−1.8% to ∞)	5%
BCSP	394 (97.8%)	384 (97.7%)	−0.1% (−2.1% to ∞)	5%
Insertion time: median (IQR)
Global	9 (6, 15)	8 (5, 12)	−1 (−∞ to 0)	1 min
Non-BCSP	12 (8, 17)	10 (7, 14)	−2 (−∞ to −1)	1 min
BCSP	6 (4, 11)	7 (4, 10)	0 (−∞ to 1)	1 min
Withdrawal time*: median (IQR)
Global	8 (6, 11)	8 (6, 10)	0 (−∞ to 0)	1 min
Non-BCSP	7 (5, 10)	7 (5, 10)	0 (−∞ to 1)	1 min
BCSP	9 (7, 12)	8 (6, 10)	−1 (−∞ to 0)	1 min

*Figures for patients where no polyps were found only.

BCSP, Bowel Cancer Screening Programme; EAC, EV-assisted colonoscopy; SC, standard colonoscopy.