Table 2. Prevalence of multimorbidity (including CKD) in the OxREN cohort stratified by sex and whether they had CKD.

Number of comorbidities	Full cohort (n = 861)		Women (n = 468)		Men (n = 393)		CKD (n = 584)		CKD (not including CKD co-morbidity	No CKD (n = 277)
	N	% (95%CI)	N	% (95%CI)	N	% (95%CI)	N	% (95%CI)	N, % (95%CI)	N	% (95%CI)
0	51	6% (4–8)	29	6% (4–8)	22	6% (3–8)	0	-	78, 13% (10–16)	51	18% (14–23)
1	174	20% (18–23)	101	22% (18–25)	73	19% (15–22)	78	13% (11–16)	154, 26% (22–30)	96	35% (29–40)
2	231	27% (24–30)	127	27% (23–31)	104	26% (22–31)	154	26% (23–30)	144, 25% (20–30)	77	28% (23–33)
3	178	21% (18–23)	104	22% (18–26)	74	19% (15–23)	144	25% (21–28)	100, 17% (13–21)	34	12% (8–16)
4	108	13% (10–15)	49	10% (8–13)	59	15% (11–19)	100	17% (14–20)	71, 12% (9–15)	8	3% (1–5%)
5 or more	119	14% (12–16)	58	12% (9–15)	61	16% (12–19)	108	18% (15–22)	37, 6% (4–8)	11	4% (2–6)