Table 1

Comparison of baseline CHA₂DS₂-VASc risk factors in individuals with initial record of diagnosis in primary or secondary care

	Initial record of diagnosis
	Primary care		Secondary care		Population overall
Number of individuals	29 568		40 638		70 206
Number of individuals	N	Per cent	N	Per cent	N	Per cent
Congestive heart failure	4768	16.1	12 664	31.2	17 432	24.8
Hypertension	23 946	81.0	33 817	83.2	57 763	82.3
Diagnosis	16 616	56.2	25 273	62.2	41 889	59.7
Blood pressure medication	20 979	71.0	30 164	74.2	51 143	72.9
Blood pressure measures	17 281	58.4	22 329	55.0	39 610	56.4
Age ≥ 75 years2	16 318	55.2	25 872	63.7	42 190	60.1
Diabetes	3316	11.2	6673	16.4	9989	14.2
Stroke/transient ischaemic attack/ systemic embolism2	3887	13.2	8938	22.0	12 825	18.3
Vascular disease	4049	13.7	9783	24.1	13 832	19.7
Myocardial infarction	2635	8.9	6950	17.1	9585	13.7
Peripheral vascular disease	1776	6.0	3927	9.7	5703	8.1
Age 65–74 years	7744	26.2	8552	21.0	16 296	23.2
Sex category (female)	13 930	47.1	20 356	50.1	34 286	48.8
CHA₂DS₂-VASc scores
0	1305	4.4	1181	2.9	2486	3.5
1	2972	10.1	2665	6.6	5637	8.0
2	4820	16.3	4519	11.1	9339	13.3
3	6663	22.5	7107	17.5	13 770	19.6
4	7332	24.8	9578	23.6	16 910	24.1
5	3712	12.6	7514	18.5	11 226	16.0
6	1866	6.3	4906	12.1	6772	9.7
7	724	2.5	2341	5.8	3065	4.4
8	156	0.5	707	1.7	863	1.2
9	18	0.1	120	0.3	138	0.2