Table 7 Association between endoscopic technique and serrated neoplasia.

Factor	Analysis	Serrated 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. ‡ As 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	3/178 (1.7%)	16/180 (8.9%)	5.69 (1.62–19.8)	0.006
	Adjusted 1 †	–	–	3.67 (0.79–17.0)	0.10
	Adjusted 2 ‡	–	–	3.50 (0.87–14.1)	0.08
HD scope	Unadjusted	7/199 (3.5%)	12/132 (9.1%)	2.74 (1.05–7.16)	0.04
	Adjusted §	-	-	2.09 (0.65–6.72)	0.22
	Adjusted 2 ¶	-	-	2.01 (0.62–6.57)	0.24