| Parameter | n | Total sample, n = 152, mean (SD)a | Confirmed HFpEF, n = 93, mean (SD)a | Non-HFpEF, n = 59, mean (SD)a | P value for comparison |
|---|---|---|---|---|---|
| NT-proBNP, pg/ml, median (IQR) | 111 | 314 (124–1055) | 301 (73–1029) | 332 (147–1112) | 0.841 |
| eGFR | 129 | 66 (21) | 65 (21) | 70 (20) | 0.190 |
| eGFR <30, % | 129 | 5 | 8 | 0 | 0.042 |
| Random glucose, mmol/l | 120 | 6.8 (4) | 6.9 (3) | 6.7 (4) | 0.797 |
| Sodium, mmol/l | 129 | 139 (3) | 139 (3) | 139 (3) | 0.286 |
| Potassium, mmol/l | 128 | 4.2 (0.5) | 4.2 (0.4) | 4.2 (0.5) | 0.401 |
| Creatinine, μmol/l | 130 | 93 (39) | 95 (43) | 90 (31) | 0.570 |
| Urea, mmol/l | 122 | 8.6 (5) | 8.9 (6) | 8.1 (3) | 0.378 |
| Haemoglobin, g/l | 131 | 131 (17) | 130 (15.5) | 135 (19) | 0.130 |
| Haematocrit, % | 129 | 0.4 (0.04) | 0.39 (0.05) | 0.41 (0.06) | 0.141 |
| Platelets | 130 | 229 (77) | 232 (77) | 227 (76) | 0.677 |
| HbA1c | 129 | 45 (13) | 46 (12) | 43 (14) | 0.250 |
| HbA1c >48, % | 129 | 22 | 26 | 13 | 0.085 |
| HbA1c known diabetes | 39 | 56.4 (16.7) | 56.5 (14.2) | 56.2 (22.6) | 0.955 |
aUnless otherwise stated. eGFR = estimated glomerular filtration rate. HbA1c = glycosylated haemoglobin A1c. HFpEF = heart failure with preserved ejection fraction. NT-proBNP = N-terminal pro B-type natriuretic peptide. SD = standard deviation.