Table 1 Baseline characteristics of patients in the atrial fibrillation (AF) and sinus rhythm (SR) groups
Variables | SR group (n = 36) | AF group (n = 28) | χ2/t | P |
|---|---|---|---|---|
Demographics | ||||
Age (year) | 67.8 ± 8.8 | 66.5 ± 8.1 | 0.605 | 0.547 |
Gender (percent male) | 20 (55.6%) | 16 (57.1%) | 0.016 | 0.899 |
BMI (kg/m2) | 23.8 ± 2.9 | 25.6 ± 3.6 | 1.652 | 0.104 |
Smoking | 10 (27.8%) | 8 (28.6%) | 0.005 | 0.944 |
NYHA functional class | 2.709 | 0.439 | ||
I | 5 (13.9%) | 3 (10.7%) | ||
II | 12 (33.3%) | 12 (42.9%) | ||
III | 16 (44.4%) | 8 (28.6%) | ||
IV | 3 (8.3%) | 5 (17.9%) | ||
Echocardiography | ||||
LVEF (%) | 58.8 ± 4.4 | 59.3 ± 5.0 | 0.391 | 0.697 |
LAD (mm) | 37.9 ± 5.8 | 43.8 ± 3.9 | 4.547 | < 0.001 |
Comorbidities | ||||
Hypertension | 10 (27.8%) | 6 (21.4%) | 0.339 | 0.561 |
T2DM | 12 (33.3%) | 8 (28.6%) | 0.166 | 0.683 |
Stroke | 2 (5.6%) | 4 (14.3%) | 1.413 | 0.235 |
COPD | 4 (11.1%) | 4 (14.3%) | 0.145 | 0.703 |
Serum YKL-40 (μg/l) | 87.0 ± 36.6 | 101.5 ± 41.5 | 1.475 | 0.145 |