Table 6.

Correlation between Cardiac Findings and Dengue Severity.

Cardiac Findings Dengue Fever (n=56) Dengue with Warning Signs (n=52) Severe Dengue (n=22) Total (n=130) P Value*
ECG 0.022
 ECG changes 19 (33.9) 31 (59.6) 12 (54.5) 62 (47.7)
 Normal ECG 37 (66.1) 21 (40.4) 10 (45.5) 68 (52.3)

Echocardiogram <0.0001
 LVEF <55% 1 (1.8) 2 (3.8) 1 (4.5) 4 (3.1)
 Pericardial effusion 6 (10.7) 7 (13.5) 10 (45.5) 23 (17.7)

CPK-MB 0.138
 Elevated 36 (64.3) 42 (80.8) 17 (77.3) 95 (73)
 Normal 20 (35.7) 10 (19.2) 5 (22.7) 35 (27)
*Test applied: chi-square test.

CPK-MB, creatine phosphokinase–myocardial band; ECG, electrocardiogram; LVEF, left ventricular ejection fraction.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2021 April; 12(2): e0014. ISSN: 2076-9172
Published online 2021 April 29. doi: 10.5041/RMMJ.10436.