Pseudopolyps in inflammatory bowel diseases: Have we learned enough?

Table 2 Pseudopolyps and increased incidence of colorectal cancer

Ref.	Year of publication	IBD diagnosis	Format of study	Cancer risk
Rutter et al[44]	2004	UC with CRC (n = 68)	Case-control study 1:2, documentation of PP	OR = 2.29; 95%CI: 1.28-4.11
Velayos et al[43]	2006	UC with CRC (n = 188)	Case-control study 1:1, history of PP	OR = 2.5; 95%CI: 1.4-4.6
Baars et al[57]	2011	UC (n = 113)	Case-control study 1:2	RR = 1.92; 95%CI: 1.28 -2.88
		CD (n = 58)
		IC (n = 2)

CD: Crohn's disease; CRC: Colorectal cancer; IBD: Inflammatory bowel disease; IC: Intermediate colitis; OR: Odds ratio; PP: Pseudopolyp; RR: Relative risk; UC: Ulcerative colitis.