Table 1.
Baseline characteristics in two groups.
| Overall (n = 176) | CAG |
|||
|---|---|---|---|---|
| Non-CAD (n = 115) | CAD (n = 61) | P value | ||
| Demographic features | ||||
| Age, yrs | 71.1 ± 9.0 | 70.4 ± 8.5 | 72.5 ± 9.9 | 0.153 |
| Male, n (%) | 100 (56.8) | 63 (54.8) | 37 (60.7) | 0.454 |
| Smoking, n (%) | 95 (54.0) | 60 (52.2) | 35 (57.4) | 0.510 |
| Drinking, n (%) | 48 (27.3) | 30 (26.1) | 18 (29.5) | 0.628 |
| AADs, n (%) | 91 (51.7) | 55 (47.8) | 36 (59.0) | 0.157 |
| Preimplant QRSd, ms | 110.4 ± 22.1 | 109.5 ± 22.7 | 112.1 ± 20.9 | 0.467 |
| Comorbidities | ||||
| Hypertension, n (%) | 92 (52.3) | 57 (49.6) | 35 (57.4) | 0.323 |
| Diabetes, n (%) | 50 (28.4) | 30 (26.1) | 20 (32.8) | 0.348 |
| Hyperlipidemia, n (%) | 52 (29.5) | 32 (27.8) | 20 (32.8) | 0.492 |
| AF, n (%) | 44 (25.0) | 28 (24.3) | 16 (26.2) | 0.784 |
| AVB, n (%) | 83 (47.2) | 53 (46.1) | 30 (49.2) | 0.696 |
| SSS, n (%) | 62 (35.2) | 43 (37.4) | 19 (31.1) | 0.409 |
| LBBB, n (%) | 20 (11.4) | 10 (8.7) | 10 (16.4) | 0.126 |
| RBBB, n (%) | 26 (14.8) | 15 (13.0) | 11 (18.0) | 0.375 |
| Laboratory data | ||||
| NT-proBNP, pg/ml | 351.0 (123.0, 772.8) | 276.0 (122.0, 645.0) | 456.0 (146.5, 884.0) | 0.244 |
| cTnI, ng/ml | 0.009 (0.005, 0.025) | 0.008 (0.004, 0.023) | 0.015 (0.008, 0.032) | 0.110 |
| Serum potassium, mEq/L | 4.02 ± 0.32 | 4.00 ± 0.33 | 4.06 ± 0.29 | 0.192 |
| Echocardiography | ||||
| LVEF (%) | 60.5 ± 10.7 | 61.1 ± 10.6 | 59.4 ± 11.0 | 0.316 |
| LVEDD, mm | 50.1 ± 7.2 | 49.4 ± 7.6 | 51.3 ± 6.4 | 0.108 |
| LVESD, mm | 35.1 ± 8.1 | 34.8 ± 8.1 | 35.6 ± 8.2 | 0.531 |
AADs: antiarrhythmic drugs; AF: atrial fibrillation; AVB: atrioventricular block; CAG: coronary angiography; CAD: coronary artery disease; cTnI: cardiac troponin I; LBBB: left bundle branch block; LVEF: left ventricular ejection fraction; LVEDD: left ventricular end-diastolic dimension; LVESD: left ventricular end-systolic dimension; NT-proBNP: N-Terminal Pro-Brain Natriuretic Peptide; QRSd: QRS duration; RBBB: right bundle branch block; SSS: sick sinus syndrome.
*: P < 0.05.