Natural history of cytomegalovirus infection in a series of patients diagnosed with moderate-severe ulcerative colitis

Table 1 Clinical characteristics of the series n (%)

Patient characteristics	Total	HCMV+	HCMV-
Sex (M/F)	50/35	19/9	31/26
Age at ward admission (yr)
≥ 50		17	40
< 50		11	17
Disease extension
Left sided colitis	39	11 (39)	28 (49)
Subtotal and pancolitis	46	17 (61)	29 (51)
Previous azathioprine treatment	21	11 (39)	10 (17.5)
Previous biologic treatment	9	2 (7)	7 (12)
Active disease at sigmoidoscopy
Severe	51	16 (57)	35 (61)
Mild/moderate	34	12 (43)	22 (39)
Onset of disease (new diagnosis)	5	4 (14)	1 (2)
Reactivation (established disease)	80	24 (86)	56 (98)