Demographic determinants of risk, colon distribution and density scores of diverticular disease

Table 1 Study sample partition by disease type, ethnicity and sex

Ethnicity sex DD site	Whites		Asians		OBs		BAs		Sub-totals by sex		Totals
	M	F	M	F	M	F	M	F	M	F
A. LSDD	114	176	3	4	5	12	2	6	126	196	322
B. RSDD	6	4	4	1	2	4	4	1	16	10	26
C. R&LDD	13	10	1	0	1	1	4	1	19	12	31
D. Pan-DD	20	26	3	2	7	5	2	3	32	36	68
No disease	150	241	24	20	34	63	11	10	219	334	553
Sub-totals by sex (all)	303	457	35	27	49	85	23	21	410	590	1000
Sub-totals by ethnicity (all)	760		62		134		44		410	590	1000
Sub-totals by sex (DD overall)	153	216	11	7	15	22	12	11	191	256	447
Sub-totals by ethnicity (DD overall)	369		18		27		23		191	256	447
Right-sided component (B+C+D)	39	40	8	3	10	10	10	5	67	58	125
(RSCDD)	79		11		20		15		67	58	125

OBs: Other blacks; BAs: Black africans; DD: Diverticular disease; LSDD: Left-sided DD; RSDD: Right-sided DD; R&LDD: Right and left DD; RSCDD: Right-sided component DD.