PWV m·s−1 | Troponin μg·L−1 | NT-proBNP pmol·L−1 | Fibrinogen g·L−1 | CRP mg·L−1 | ||||||
r/ρ | p-value | r/ρ | p-value | r/ρ | p-value | r/ρ | p-value | r/ρ | p-value | |
Subjects n | 101 | 98 | 97 | 100 | 100 | |||||
BSI | 0.45 | <0.001# | 0.52 | <0.001# | 0.34 | 0.001# | 0.39 | 0.001# | 0.24 | 0.017¶ |
Age | 0.77 | <0.001# | 0.59 | <0.001# | 0.47 | <0.001# | 0.28 | 0.012¶ | 0.10 | 0.323 |
Annual exacerbation frequency | ||||||||||
≥3 events·year-1 (n=40) | 10.5±2.7 | 0.011¶ | 0.008 (0.004–0.013) | 0.047¶ | 11.0 (5.0–18.5) | 0.293 | 3.5 (2.7–4.3) | 0.253 | 4.8 (2.0–11.8) | 0.005¶ |
<3 events·year-1 (n=61) | 9.2±1.7 | 0.005 (0.003–0.008) | 9.0 (3.0–17.0) | 3.2 (2.7–3.9) | 2.2 (0.5–5.4) | |||||
FEV1 L | −0.34 | 0.001# | −0.42 | <0.001# | −0.34 | 0.001# | −0.53 | <0.001# | −0.45 | <0.001# |
FEV1 % predicted | −0.02 | 0.832 | −0.28 | 0.006¶ | −0.11 | 0.301 | −0.43 | <0.001# | −0.34 | 0.001# |
CT lobes involved | 0.14 | 0.159 | 0.17 | 0.091 | 0.24 | 0.02¶ | −0.07 | 0.570 | 0.07 | 0.482 |
Data are presented as mean±sd or median (interquartile range), unless otherwise stated. Significant findings are presented in bold. BSI: bronchiectasis severity index; PWV: pulse-wave velocity; NT-proBNP: N-terminal pro-brain natriuretic peptide; CRP: C-reactive protein; FEV1: forced expiratory volume in 1 s; CT: computed tomography. #: significant after Hochberg adjustment for multiple comparisons; ¶: significant at α<0.05.