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Table 2 Comparison between patients with and without elevation in biomarker levels

From: Cardiac evaluation in adults with dengue virus infection by serial echocardiography

Characteristics

With biomarker elevation (n = 6)

Without biomarker elevation (n = 75)

p-value

Age, (years), mean ± SD

28.7 ± 6.2

33.3 ± 14.0

0.156a

Male sex (n,%)

5 (83.3%)

32 (42.7%)

0.088c

Dengue classification

0.026c

 Dengue fever (n,%)

0 (0%)

39 (52.0%)

 

 Dengue haemorrhagic fever (n,%)

6 (100%)

36 (48.0%)

 

  Grade I or II (n, %)

4 (66.7%)

35 (46.7%)

 

  Grade III or IV (n, %)

2 (33.3%)

1 (1.3%)

 

Underlying diseases (n, %)

2 (33.3%)

10 (13.3%)

0.215c

 Diabetes mellitus (n, %)

0 (0%)

2 (2.7%)

0.999c

 Hypertension (n, %)

0 (0%)

2 (2.7%)

0.999c

 Dyslipidaemia (n, %)

1 (16.7%)

2 (2.7%)

0.209c

Fever duration (days), mean ± SD

3.5 ± 1.38

3.85 ± 1.16

0.480a

WBC, median (IQR), × 103 /μL

5.3 (3.9,9.5)

4.5(3.3,5.7)

0.283d

Haemoglobin, median (IQR), g/dL

14.6 (11.2, 15.2)

13.3 (12.5, 14.8)

0.780d

Haematocrit, median (IQR), %

42.2 (31.6, 42.9)

39.7 (37.1, 43.1)

0.964d

Platelet counts, median (IQR), × 103/μL

60.0(27.3,83.8)

53.0(30.0,83.3)

0.857d

Creatinine, median (IQR), mg/dl

0.81 (0.67, 1.50)

0.72 (0.61, 0.83)

0.199d

Troponin-T elevation (n,%)

3 (50.0%)

0 (0%)

 < 0.001c

CK-MB elevation (n,%)

5 (83.3%)

0 (0%)

 < 0.001c

Patients with cardiac involvement (n,%)

6 (100%)

12 (16%)

 < 0.001c

  1. aPearson Chi-square test; bindependent t test; cFisher’s Exact test; dMann-Whitney U test;
  2. IQR interquartile range, WBC white blood cell count