Table 1

Patient characteristics at symptom recording (N=13 897)

Variable	Level	n	%
Gender	Male	6672	48.0
	Female	7225	52.0
Age group	<45	234	1.7
	45–64	2052	14.8
	65–74	3422	24.6
	75–84	5401	38.9
	85+	2788	20.1
IMD quintile	1 (least deprived)	2731	19.7
	2	3233	23.3
	3 (average)	2931	21.1
	4	2631	18.9
	5 (most deprived)	2371	17.1
Diagnosis source of HF	Primary care	3388	24.4
	Hospital	10 509	75.6
Comorbidity	Atrial fibrillation	2603	18.7
	Other arrhythmias	1349	9.7
	Myocardial infarction	667	4.8
	Coronary artery disease	3344	24.1
	Myocarditis	70	0.5
	Hypertension	8150	58.6
	Stroke	843	6.1
	Diabetes	2727	19.6
	Congenital heart disease	60	0.4
	Chronic pulmonary disease	3685	26.5
	Peripheral vascular disease	1018	7.3
	Renal disease	3264	23.5
Number of comorbidities	0	2252	16.2
	1	3561	25.6
	2	3419	24.6
	3	2452	17.6
	4+	2213	15.9
Symptom type	Breathlessness only	9096	65.5
	Ankle swelling only	2251	16.2
	Fatigue only	2355	16.9
	Two or more symptoms	195	1.4
Consultation for HF symptom within 6 months of first symptom	Once or more	3793	27.3