TABLE 3.
General features, cardiovascular profile, and ECG measurements in the subgroups of patients with arrhythmia.
| B (n = 12) | T (n = 57) | BT (n = 11) | p-value | |
| General findings | ||||
| Age (years) | 64.5 (67–80.5) | 79 (74–79) | 79 (66–87) | 0.89 |
| Death n (%) | 2 (16.7) | 16 (28.1) | 2 (18.2) | 0.61 |
| Comorbidities | 3.5 (2–5) | 3 (2–4) | 3 (2–4) | 0.44 |
| Lung computed tomography score | 8 (5–15) | 8 (5–12) | 8 (7–9) | 0.96 |
| Lung ultrasound score | 8 (5–15) | 13.5 (7–20) | 11 (4–14) | 0.48 |
| Main cardiovascular morbidities | ||||
| Arterial hypertension n (%) | 8 (66.6) | 39 (68.4) | 8 (72.7) | 0.78 |
| Coronary artery disease n (%) | 3 (25) | 16 (28.1) | 3 (27.3) | 0.98 |
| Heart failure n (%) | 1 (8.3) | 9 (15.8) | 2 (18.2) | 0.77 |
| Any prior arrhythmia n (%) | 6 (50) | 23 (40.3) | 5 (45.5) | 0.67 |
| ICD/PPM n (%) | 4 (33.3) | 4 (7.0) | 2 (18.2) | 0.03 |
| ECG parameters | ||||
| QT (msec) | ||||
| At admission | 380 (355–430) | 360 (340–420) | 370 (360–450) | 0.23 |
| At dischargea | 380 (360–415) | 360 (320–380) | 380 (360–415) | 0.08 |
| QTc (msec) | ||||
| At admission | 425 (385–430) | 410 (390–440) | 420 (395–420) | 0.77 |
| At dischargea | 380 (370–440) | 390 (380–440) | 390 (386–425) | 0.21 |
| QTc dispersion (msec) | ||||
| At admission | 95 (85–110) | 80 (50–110) | 85 (70–90) | 0.25 |
| At dischargea | 70 (50–90) | 70 (50–90) | 65 (50–75) | 0.71 |
aCalculated in 60 patients; values are presented as median (interquartile range) or as n (%).
B, patients with brady-arrhythmia; BT, patients with brady- and tachy-arrhythmia; ICD/PPM, implantable cardioverter-defibrillator/permanent pacemaker; QTc, heart rate-corrected QT interval; T, patients with tachy-arrhythmia.