Table 1.
Baseline characteristics of included patients
| Characteristics | Total (n=488) | Sinus rhythm (n=439) | NOAF (n=49) | p-value |
|---|---|---|---|---|
| Age (years) | 65.0±12.5 | 64.0±12.3 | 74.0±10.8 | <0.01 |
| Female (%) | 101 (20.7) | 81 (18.5) | 20 (40.8) | <0.01 |
| Hypertension (%) | 313 (64.1) | 280 (63.8) | 33 (67.3) | 0.62 |
| Diabetes (%) | 166 (34.0) | 149 (33.9) | 17 (34.7) | 0.92 |
| Dyslipidemia (%) | 286 (58.6) | 253 (57.6) | 33 (67.3) | 0.19 |
| Smoker (%) | 245 (50.2) | 233 (53.1) | 12 (24.5) | <0.01 |
| CKD (%) | 108 (22.1) | 90 (20.5) | 18 (36.7) | 0.01 |
| CHF (%) | 85 (17.4) | 70 (15.9) | 15 (30.6) | 0.01 |
| Previous stroke/TIA (%) | 50 (10.2) | 45 (10.3) | 5 (10.2) | 0.99 |
| Previous vascular disease (%) | 44 (9.0) | 39 (8.9) | 5 (10.2) | 0.97 |
| Previous MI (%) | 23 (4.7) | 21 (4.8) | 2 (4.1) | 1.00 |
| Previous PCI (%) | 36 (7.4) | 31 (7.1) | 5 (10.2) | 0.61 |
| Clinical presentations and outcomes | ||||
| On-admission Killip class (%) | <0.01 | |||
| I | 393 (80.5) | 363 (82.7) | 30 (61.2) | |
| II | 67 (13.7) | 56 (12.8) | 11 (22.4) | |
| III–IV | 28 (5.7) | 20 (4.5) | 8 (16.4) | |
| On-admission HF (%)a | 95 (19.5) | 76 (17.3) | 19 (38.8) | <0.01 |
| On-admission SBP (mmHg) | 132 (116–148) | 132 (118–148) | 127 (108–146) | 0.16 |
| On-admission HR (bpm) | 80 (70–90) | 79 (70–90) | 81 (70–94) | 0.42 |
| Cardiac arrest (%) | 11 (2.3) | 9 (2.1) | 2 (4.1) | 0.69 |
| CHA2DS2-VASc score | 2 (1–4) | 2 (1–3) | 3 (2–5) | <0.01 |
| GRACE risk score | 120 (102–140) | 117 (99–136) | 142 (129–171) | <0.01 |
| In-hospital death (%) | 26 (5.3) | 19 (4.3) | 7 (14.3) | 0.01 |
| Hospitalization (days) | 7 (5–9) | 7 (5–9) | 10 (7–14) | <0.01 |
Notes:
a
On admission Killip class >I. Data presented as n (%), mean ± SD or median (IQR).
Abbreviations: CHF, congestive heart failure; CKD, chronic kidney dysfunction; GRACE, Global Registry of Acute Coronary Events; HF, heart failure; HR, heart rate; IQR, interquartile range; MI, myocardial infarction; NOAF, new-onset atrial fibrillation; PCI, percutaneous coronary intervention; SBP, systolic blood pressure; TIA, transient ischemic attack.