Possible role of human cytomegalovirus in pouchitis after proctocolectomy with ileal pouch-anal anastomosis in patients with ulcerative colitis

Table 1 HCMV detection during endoscopic examinations of UC patients with proctocolectomy and ileal pouch-anal anastomosis n (%)

	HCMV positive	HCMV negative	P
mPDAI[10]
Pouchitis	3 (27.2)	8 (72.7)	NS
No pouchitis	9 (14.2)	54 (85.7)
JCP[11]
Pouchitis	5 (41.6)	7 (58.3)	0.021
No pouchitis	7 (11.2)	55 (88.7)

mPDAI: modified pouchitis disease activity index; JCP: Japanese classification of pouchitis, NS: not significant.