Table 2 Factors associated with point-of-care ultrasound evidence of plasma leakage in suspected dengue patients

Female

76 (55.5)

12 (50)

1.2 (0.5–3)

Age in years

 2–18

83 (60.6)

11 (45.8)

1

1

 19–29

31 (22.6)

3 (12.5)

1.4 (0.3–5.4)

1.1 (0.2–4.6)

 30–59

15 (11)

9 (37.5)

0.2 (0.07–0.6)

0.1 (0.0–0.5)

 60 or more

8 (5.8)

1 (4.2)

1.06 (0.1–9.3)

0.7 (0.1–7.2)

Dengue without warning signs

61 (44.5)

12 (50)

1

Dengue with warning signs

76 (55.5)

12 (50)

1.2 (0.5–3)

Days of fever onset

 0–3

15 (11)

6 (25)

1

 4–6

68 (49.6)

12 (50)

2.3 (0.7–7,1)

 7–10

54 (39.4)

6 (25)

3.6 (1–12.8)

Dengue IgM/IgG

n = 74

n = 10

 Both negative

12 (16.4)

3 (30)

1

 Both positive

39 (52.4)

2 (20)

4.8 (0.7–32.6)

 Positive/negative

8 (11)

2 (20)

1 (0.1–7.3)

 Negative/positive

14 (19.2)

3 (30)

1.16 (0.2–6.9)

n = 23

Hematocrit maximum (%)

Me (range)

42.5 (27.3–54.7)

44.3 (33.6–52.7)

0.9 (0.8–1.0)

n = 134

n = 20

Hemoconcentration (%) Me (range)

10.1 (0–59.2)

6.6 (0–20.4)

1.1 (1.0–1.2)

1.1 (0.9–1.2)

Leukopenia (< 4000 cells × 10³/µl)

70 (51.1)

12 (50)

1.04 (0.4–2.5)

Lymphopenia (< 1000 cells × 10³/µl)

22 (16.1)

7 (29.1)

0.46 (0.2–1.2)

Monocytosis (> 1200 cell × 10³/µl)

21 (15.3)

1 (4.1)

4.1 (0.5–32.5)

Thrombocytopenia (< 100,000 cells/mm³)

110 (80.3)

10 (41.6)

5.7 (2.2–14.2)

4.1 (1.3–12.4)