Table 4 Association between random dysplasia and polyp type.

Polyp type	Random low- or high-grade dysplasia
	Yes	No	P value	Odds ratio (95% CI)
CI, confidence interval.
Inflammatory pseudopolyp	4 (15.4%)	329 (21.8%)	0.53	0.59 (0.11–3.09)
Hyperplastic polyp	5 (19.2%)	270 (17.9%)	0.72	0.74 (0.14–3.87)
Sessile serrated adenomas	3 (11.5%)	150 (10.0%)	0.53	0.53 (0.07–3.83)
Serrated changes	1 (3.8%)	65 (4.3%)	0.85	1.22 (0.17–8.88)
Tubulovillous adenomas	4 (15.4%)	6 (0.4%)	0.013	1.57 (1.80 – 1.34)
Adenocarcinoma	1 (3.8%)	10 (0.7%)	0.28	3.89 (0.32–4.69)