Table 1.
Table of demographics and clinical parameters for total population and for the population split by median BNP of 165 pg/mL.
| All | BNP > 165 | BNP ≤ 165 | P | |
|---|---|---|---|---|
| Male | 113 (63%) | 56 (62%) | 57 (64%) | 0.92 |
| Age (years) | 71 ± 12 | 75 ± 11 | 67 ± 13 | <0.001 |
| BMI (kg/m2) | 30 ± 7 | 28 ± 6 | 32 ± 8 | 0.009 |
| Systolic BP (mmHg) | 131 ± 19 | 131 ± 20 | 131 ± 19 | 0.90 |
| Diastolic BP (mmHg) | 71 ± 11 | 70 ± 12 | 72 ± 11 | 0.21 |
| Idiopathic | 30 (19%) | 6 (8%) | 24 (28%) | 0.003 |
| Ischaemic | 86 (54%) | 50 (68%) | 36 (42%) | 0.003 |
| Hypertension | 51 (32%) | 29 (39%) | 22 (26%) | 0.10 |
| Valvular | 18 (11%) | 10 (13%) | 8 (9%) | 0.57 |
| Biochemistry | ||||
| BNP (pg/mL) | 165 (71 : 325) | 325 (231 : 516) | 67 (27 : 115) | <0.001 |
| Urea (mmol/L) | 7.8 (6.1 : 11.4) | 9.3 (7.3 : 12.8) | 6.7 (5.3 : 8.9) | <0.001 |
| Creatinine (mmol/L) | 115 (94 : 145) | 126 (103 : 157) | 107 (87 : 133) | <0.001 |
| Sodium (mmol/L) | 138 ± 3 | 138 ± 3 | 138 ± 3 | 0.36 |
| Potassium (mmol/L) | 4.4 ± 0.4 | 4.4 ± 0.3 | 4.4 ± 0.4 | 0.54 |
| Medications | ||||
| Beta blocker | 143 (90%) | 68 (92%) | 75 (88%) | 0.61 |
| ACEI/ARB | 151 (95%) | 70 (95%) | 81 (95%) | 0.87 |
| Diuretics | 131 (82%) | 65 (88%) | 66 (78%) | 0.14 |
| Aldosterone antagonist | 27 (17%) | 12 (16%) | 15 (18%) | 0.99 |
Values are mean ± standard deviation or median (interquartile range); BNP: B-type natriuretic peptide; ACEI: angiotensin converting enzyme inhibitor; ARB: angiotensin receptor blocker; BMI: body mass index; SBP/DBP: systolic and diastolic blood pressure.