Quantitative patient characteristics at time of first recorded HF diagnosis in each cohort
| Quantitative variable | 2001/2002 cohort | 2011/2012 cohort | ||||
| N present | Mean | SD | N present | Mean | SD | |
| Age in diagnosis year | 5981 | 76.9 | 11.0 | 12 830 | 77.5 | 12.1 |
| No of comorbidities | 5981 | 1.9 | 1.4 | 12 830 | 2.9 | 1.6 |
| Electronic Frailty Index | 5981 | 0.18 | 0.1 | 12 830 | 0.2 | 0.1 |
| BMI (kilos/square metre) | 2914 | 27.5 | 5.7 | 10 219 | 28.1 | 6.5 |
| Systolic blood pressure (mm Hg) | 5262 | 145.4 | 22.8 | 12 590 | 133.6 | 19.3 |
| Diastolic blood pressure (mm Hg) | 5262 | 80.0 | 11.7 | 12 590 | 74.8 | 11.4 |
| Serum cholesterol (mmol/L) | 2278 | 5.2 | 1.2 | 11 018 | 4.6 | 1.2 |
| High-density lipoprotein (HDL cholesterol (mmol/L) | 1073 | 1.3 | 0.4 | 9831 | 1.4 | 0.4 |
| Low-density lipoprotein (LDL) cholesterol (mmol/L) | 751 | 3.1 | 1.0 | 8463 | 2.6 | 1.0 |
| HDL/LDL cholesterol ratio | 455 | 4.0 | 1.5 | 8818 | 3.5 | 1.2 |
| Blood glucose (mmol/L) | 2437 | 7.3 | 3.9 | 9540 | 6.5 | 3.0 |
| Serum creatinine (umol/L) | 3480 | 108.3 | 43.0 | 12 284 | 101.9 | 50.9 |
| Serum triglycerides (mmol/L) | 1371 | 1.8 | 1.2 | 9096 | 1.5 | 1.0 |
| Blood urea (mmol/L) | 2529 | 7.8 | 5.0 | 10 625 | 8.0 | 4.5 |
| Estimated glomerular filtration rate (mL/min) | 56 | 61.7 | 14.0 | 8005 | 61.7 | 20.5 |
| Haemoglobin (g/dL) | 3151 | 131.0 | 19.0 | 11 903 | 128.0 | 19.0 |
BMI, body mass index; HF, heart failure.