Table 8 Association between endoscopic technique and adenomatous neoplasia.

Factor	Analysis	Adenomatous neoplasia-n/N (%)		Odds ratio *	P
*Odds ratio expressed as odds of dysplasia when dye spray/HD scope used relative to odds when it was not used. † Adjusted for year of procedure and age of IBD diagnosis. ‡ Adjusted Analysis 1, plus additional adjustment for use of HD scope. § Adjusted for year of procedure, age of IBD diagnosis, age of PSC diagnosis and bowel prep quality. ¶ As Adjusted Analysis 1, plus additional adjustment for use of dye spray. HD, high definition; IBD, inflammatory bowel disease; PSC, primary sclerosing cholangitis.
		Not used	Used	(95% CI)	value
Dye spray	Unadjusted	2/178 (1.1%)	11/180 (6.1%)	12.8 (1.24, 132)	0.03
	Adjusted 1†	–	–	14.7 (1.41, 153)	0.02
	Adjusted 2‡	–	–	12.0 (1.08, 134)	0.04
HD scope	Unadjusted	5/199 (2.5%)	8/132 (6.1%)	2.50 (0.80, 7.82)	0.12
	Adjusted 1 §	–	–	2.26 (0.63, 8.09)	0.21
	Adjusted 2 ¶	–	–	2.34 (0.66, 8.38)	0.19