Table I.
Different cardiac functions | NT-proBNP (pg/ml) | MMP-9 (µg/l) |
---|---|---|
Cardiac function in class II and below | 156.8±25.1a | 2.02±0.06a |
Cardiac function in class III and above | 458.9±56.3 | 4.11±0.12 |
t | 30.996 | 98.524 |
P-value | <0.001 | <0.001 |
P<0.05, compared with patients with heart function grade III and above. NT-proBNP, N-terminal pro-brain natriuretic peptide; MMP-9, matrix metalloproteinase-9.