Table 1.
Group characteristics for participants grouped by low and high NT-proBNP.
| Low NT-proBNP | High NT-proBNP | p value | |
|---|---|---|---|
| Mean ± SD, median (QR) or n (%) | Mean ± SD, median (QR) or n (%) | ||
| Group n | 1939 | 95 | |
| Women | 1002 (52) | 42 (44) | 0.155 |
| Men | 937 (48) | 53 (56) | |
| Norwegian | 849 (44) | 25 (26) | <0.001 |
| Russian | 1090 (56) | 70 (74) | |
| Age (years) | 55.2 ± 8.5 | 58.1 ± 8.3 | 0.001 |
| Height (cm) | 170 ± 10.4 | 170 ± 9.5 | 0.597 |
| Weight (kg) | 79.6 ± 16.5 | 83.2 ± 21 | 0.039 |
| BMI (kg/m2) | 27.7 ± 5.2 | 26.8 ± 5.2 | 0.038 |
| Systolic BP (mmHg) | 131 ± 20 | 135 ± 21 | 0.078 |
| Diastolic BP (mmHg) | 79.9 ± 11.8 | 82.3 ± 13.3 | 0.061 |
| LDL cholesterol (mmol/l) | 3.7 ± 0.9 | 3.3 ± 1.0 | <0.001 |
| Cholesterol (mmol/l) | 5.6 ± 1.1 | 5.1 ± 1.2 | <0.001 |
| Antihypertensive drugs (n) | 643 (29) | 41 (71) | <0.001 |
| HbA1C (%) | 5.6 ± 0.7 | 5.9 ± 0.9 | 0.001 |
| Diabetes (n) | 103 (5.3) | 9 (9.5) | 0.083 |
| Smoking daily (n)∗∗ | 1061 (55) | 54 (57) | 0.685 |
| Creatinine (mmol/l) | 80.1 ± 16.1 | 103.2 ± 88.3 | <0.001 |
| HS CRP (mg/l)‡ | 1.26 (0.6/2.7) | 2.8 (1.1/5.3) | <0.001 |
| NT-proBNP (pg/ml)‡ | 52.6 (30.9/85.8) | 373 (300/699) | <0.001 |
| Cardiac pathology (n) | 202 (10.4) | 14 (14.7) | 0.04 |
BMI: body mass index; BP: blood pressure; LDL: low-density lipoproteins; HbA1C: glycosylated hemoglobin. HS CRP: high sensitive C-reactive protein; cardiac pathology by Hx, echocardiogram or ECG. ‡NT-proBNP and HS CRP: median with quartiles. ∗∗Refers to present and previous smoking.