Recent trends in the prevalence and distribution of colonic diverticula in Japan evaluated using computed tomography colonography

Table 1 Characteristics of the participants

	Diverticula positive (n = 568)	Diverticulum negative (n = 613)	P value
Age: Median (range)	64 (27-91)	60 (23-84)	< 0.001
Sex, n (%): Male:female	346 (29.3):222 (18.8)	323 (27.3):290 (24.6)	0.004
Age group, n (%): Male:female
≤ 40 (n = 108)	27 (25.0):1 (0.9)	56 (51.9):24 (22.2)	0.004
41-50 (n = 165)	42 (25.5):19 (11.5)	56 (33.9):48 (29.1)	0.058
51-60 (n = 268)	80 (29.9):50 (18.7)	67 (25.0):71 (26.5)	0.033
61-70 (n = 327)	97 (29.7):80 (24.5)	88 (26.9):62 (19.0)	0.485
≥ 71 (n = 313)	100 (31.9):72 (23.0)	56 (17.9):85 (27.2)	0.001

Characteristics of the 1181 participants analyzed in this study. The prevalence of diverticulosis according to age group and the relationship between diverticulosis and sex were analyzed.