Table 1.
Demographic and baseline clinical characteristics.
| All (N = 136) | MET arm (N = 65) | DFD arm (N = 71) | P | |
|---|---|---|---|---|
| Male | 65 (47.8%) | 33 (50.8%) | 32 (45.1%) | 0.51 |
|
| ||||
| Age | 63 ± 11 | 65 ± 12 | 62 ± 11 | 0.15 |
|
| ||||
| Cardiovascular diseases | ||||
| CHD | 72 (52.9%) | 39 (60.0%) | 33 (46.5%) | 0.10 |
| HHD | 33 (24.3) | 16 (24.6%) | 17 (23.9%) | |
| VHD | 12 (8.8%) | 5 (7.7%) | 7 (9.9%) | |
| PHD | 12 (8.8%) | 3 (4.6%) | 9 (12.7%) | |
| DCM | 2 (1.5%) | 2 (3.1%) | 0 (0.0%) | |
| Others | 2 (1.5%) | 0 (0.0%) | 2 (2.8%) | |
| None | 3 (2.2%) | 0 (0.0%) | 3 (4.2%) | |
|
| ||||
| Holter examination | ||||
| Single VPC | 1276 (877-4257) | 1241 (851-2861) | 1426 (885-5454) | 0.23 |
| Double VPC | 0 (0-4) | 1 (0-4) | 0 (0-9) | 0.98 |
| Triple VPC | 0 (0-3) | 0 (0-3) | 0 (0-3) | 0.76 |
| Paired VPC | 3 (0-24) | 2 (0-17) | 3 (0-45) | 0.33 |
| VT | 0 (0-0) | 0 (0-0) | 0 (0-1) | 0.02 |
| Single APC | 218 (0-1651) | 184 (0-1044) | 247 (0-2569) | 0.32 |
| AT | 1 (0-17) | 1 (0-13) | 1 (0-21) | 0.26 |
| AF | 0 (0-0) | 0 (0-0) | 0 (0-0) | 0.49 |
|
| ||||
| Laboratory examination | ||||
| WBC (∗109/L) | 7.6 (5.3-9.1) | 7.7 (5.4-9.2) | 7.4 (5.3-9.1) | 0.35 |
| RBC (∗1012/L) | 4.26 (3.35-5.21) | 4.27 (3.42-5.12) | 4.20 (3.05-5.27) | 0.47 |
| PLT (∗109/L) | 105 (95-111) | 102 (94-109) | 107 (97-114) | 0.02 |
| ALT (U/L) | 33 (17-49) | 38 (17-52) | 32 (18-46) | 0.28 |
| AST (U/L) | 35 (23-49) | 34 (24-51) | 35 (21-48) | 0.91 |
| TBIL (μmol/L) | 17.4 (11.0-24.3) | 15.7 (10.1-24.3) | 19.3 (11.5-24.3) | 0.33 |
| TP (g/L) | 74.0 (64.6-82.8) | 72.8 (63.6-82.1) | 74.0 (66.6-83.4) | 0.59 |
| BUN (mmol/L) | 6.40 (4.04-8.76) | 6.58 (4.05-7.94) | 6.35 (4.03-9.25) | 0.60 |
| Cr (μmol/L) | 79 (63-96) | 80 (67-96) | 78 (62-96) | 0.31 |
| UA (μmol/L) | 327 (270-401) | 325 (270-395) | 328 (268-412) | 0.74 |
|
| ||||
| TSS | 18 ± 3 | 18 ± 3 | 17 ± 3 | 0.48 |
Abbreviation: MET arm: metoprolol combined with placebo; DFD arm: Dingji Fumai Decoction combined with metoprolol; CHD: coronary heart disease; HHD: hypertensive heart disease; VHD: valvular heart disease; PHD: pulmonary heart disease; DCM: dilated cardiomyopathy; VPC: ventricular premature contraction; VT: ventricular tachycardia; APC: atrial premature contraction; AT: atrial tachycardia; AF: atrial fibrillation; WBC: white blood cell; RBC: red blood cell; PLT: platelet; ALT: alanine aminotransferase; AST: aspartate aminotransferase; TBIL: total bilirubin; TP: total protein; BUN: blood urea nitrogen; Cr: creatinine; UA: uric acid; TSS: traditional Chinese medicine syndrome score.