Proportion of patients with heart failure symptom before diagnosis by symptom type
| By symptom type | N | % of total | % of patients with HF symptoms |
| Breathlessness | 12 019 | 32.7 | 79.8 |
| Breathlessness only (no fatigue or ankle swelling) | 8683 | 23.6 | 57.7 |
| Fatigue | 3382 | 9.2 | 22.5 |
| Fatigue only (no breathlessness or ankle swelling) | 1322 | 3.6 | 8.8 |
| Ankle swelling | 3586 | 9.8 | 23.8 |
| Ankle swelling only (no breathlessness or fatigue) | 1496 | 4.1 | 9.9 |
| Any two symptoms | 3182 | 8.7 | 21.1 |
| All three symptoms | 374 | 1.0 | 2.5 |
| Total seeing GP prediagnosis with HF symptom(s) recorded | 15 057 | 41.0 | 100.0 |
| Total seeing GP prediagnosis but with other symptom recorded | 17 724 | 48.2 | − |
| Total with no prediagnosis GP contact | 3967 | 10.8 | − |
GP, general practitioner; HF, heart failure.