Table 3.
Comparison of basic characteristics between the two groups
| Characteristics | Arrhythmia | ||
|---|---|---|---|
| No (n = 1224) | Yes (n = 860) | P value | |
| Demographics and history | |||
| Age, years | 57.97 ± 11.38 | 61.68 ± 10.81 | < 0.001** |
| Sex (male), n (%) | 942 (76.96) | 611 (71.05) | 0.002** |
| Prior MI, n (%) | 86 (7.03) | 81 (9.42) | 0.048* |
| At admission | |||
| Heart rate, beats/min | 75 (66, 86) | 72 (62, 85) | < 0.001** |
| SBP, mmHg | 130 (117 ~ 150) | 127 (112 ~ 144) | < 0.001** |
| DBP, mmHg | 83.84 ± 15.86 | 79.59 ± 16.68 | < 0.001** |
| Laboratory values | |||
| Pro-BNP (pg/mL) | 1003.5 (420.0, 2207.0) | 1202.0 (482.0, 2641.5) | 0.003** |
| TNI (μg/L) | 19.810 (1.1, 50.0) | 30.785 (2.0, 54.0) | 0.001** |
| CK-MB (μg/L) | 74.0 (25.4, 161.6) | 91.5 (33.7, 190.6) | 0.001** |
| TG (mmol/L) | 1.95 ± 1.15 | 1.82 ± 1.10 | 0.014* |
| Cr (μmol/L) | 75.88 ± 37.08 | 79.88 ± 42.88 | 0.027* |
| Findings on ECG | |||
| BBB, n (%) | < 0.001** | ||
| LAFB, n (%) | 214 (17.48) | 175 (20.35) | |
| LBBB, n (%) | 22 (1.80) | 19 (2.21) | |
| LPFB, n (%) | 49 (4.00) | 35 (4.07) | |
| RBBB, n (%) | 25 (2.04) | 51 (5.93) | |
| LAFB + RBBB, n (%) | 13 (1.06) | 27 (3.14) | |
| Q-Tc (ms) | 439 (418, 462) | 442 (418, 469) | 0.014* |
* means P < 0.05, ** means P < 0.01