Clinical Study
Using NT-proBNP to Detect Chronic Heart Failure in Elderly Patients with Chronic Obstructive Pulmonary Disease
Table 1
Correlations between symptoms, clinical findings, and NT-proBNP.
| | | NT-proBNP | <1200
| ≥1200
| | value | | | Positive | Negative | Positive | Negative |
| | Symptoms | | | | | | | Breathlessness | 37 (82%) | 8 (18%) | 7 (87%) | 1 (13%) | 0.714 | | Night cough | 8 (18%) | 34 (76%) | 0 (0%) | 8 (100%) | 0.178 | | Orthopnoea | 3 (7%) | 39 (86%) | 1 (13%) | 7 (87%) | 0.609 | | Nocturia | 31 (69%) | 14 (31%) | 8 (100%) | 0 (0%) | 0.066 | | Walking distance | 13 (29%) | 26 (58%) | 1 (13%) | 6 (85%) | 0.313 | | Clinical findings | | | | | | | Heart auscultation | 3 (7%) | 42 (93%) | 1 (13%) | 7 (87%) | 0.565 | | Peripheral oedema | 21 (47%) | 24 (53%) | 3 (37%) | 5 (63%) | 0.631 | | ECG abnormalities | 22 (49%) | 23 (51%) | 8 (100%) | 0 (0%) | 0.007 |
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