Table 1.
Preoperative clinical characteristics of patients
| SR group (n=16) | AF group (n=7) | p value | |
|---|---|---|---|
| Age (years) |
65.1+/−12.4 |
70.4+/−5.6 |
0.290a |
| Gender (male/female) |
8/8 |
2/5 |
0.405b |
| CTR (%) |
55.2+/−7.5 |
61.9+/−5.9 |
0.051a |
| LVDd (mm) |
53.8+/−8.9 |
51.0+/−7.0 |
0.554a |
| LAD (mm) |
51.5+/−10.6 |
63.5+/−13.5 |
0.031a |
| EF (%) |
64.7+/−7.0 |
68.7+/−7.3 |
0.234a |
| Preoperative creatinine(mg/dl) |
0.97+/−0.02 |
1.10+/−0.18 |
0.384a |
| Preoperative ANP (pg/ml) |
120.1+/−67.3 |
74.8+/−45.4 |
0.141a |
| Preoperative BNP (pg/ml) |
186.4+/−113.9 |
191.9+/−72.2 |
0.909a |
| Preoperative ANP/BNP ratio | 0.74+/−0.29 | 0.42/-0.28 | 0.025a |
a Unpaired t test. bFisher’s exact test.
AF: atrial fibrillation; ANP: atrial natriuretic peptide; BNP: brain natriuretic peptide; CTR: cardiothoracic ratio; EF: ejection fraction; LAD: left atrial dimension; LVDd: left ventricular end-diastolic dimension.