. Author manuscript; available in PMC: 2016 Jun 6.

Published in final edited form as: Aliment Pharmacol Ther. 2014 Apr 30;39(12):1408–1417. doi: 10.1111/apt.12774

Table 1.

Characteristics of chronic colitis patients with serrated epithelial change (SEC) or sessile serrated polyp (SSP), 2006–12

	SEC	SSP
N	79	10
Median age, years (IQR)	57 (48–64.75)	48 (41.5–57.25)
Males (%)	49 (62%)	7 (70%)
CUC (%)	66 (84%)	4 (40%)
Median IBD duration at index, years (IQR)	18 (10.5–29)	9.5 (1.5–22.5)
Extensive disease (%)	61 (77%)	7 (70%)
PSC (%)	23 (29%)	0 (0%)
Prior or synchronous CRN (%)	27 (34%)	6 (60%)
Targeted index biopsy (%)	30 (38%)	10 (100%)
Chromoendoscopy at index (%)	16 (20%)	2 (20%)

CUC, chronic ulcerative colitis; PSC, primary sclerosing cholangitis; CRN, colorectal neoplasia.