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Table 3 Prevalence, attack rate, and distribution by sex and age of patients with co-infections

From: Co-circulation and simultaneous co-infection of dengue, chikungunya, and zika viruses in patients with febrile syndrome at the Colombian-Venezuelan border

 

DENV/CHIKV (N = 12)

DENV/ZIKV (N = 10)

CHIKV/ZIKV (N = 8)

DENV/CHIKV/ZIKV (N = 3)

p

Male % (N)

50.0 (6)

0 (0)

12.5 (1)

0 (0)

n/a

Female % (N)

50.0 (6)

100 (10)

87.5 (7)

100 (3)

n/a

Age, Years (mean ± SEM)

23.2 ± 4.6

26.5 ± 2.6

30.1 ± 2.9

30.3 ± 4.2

0.492a

Year (s)

 0–10

33.3 (4)

0 (0)

0 (0)

0 (0)

n/a

 11–20

16.7 (2)

20.0 (2)

12.5 (1)

0 (0)

0.876c

 21–30

16.7 (2)

50.0 (5)

25.0 (2)

33.3 (1)

0.475b

 31–40

16.7 (2)

30.0 (3)

50.0 (4)

66.7 (2)

0.879a

 41–50

8.3 (1)

0 (0)

12.5 (1)

0 (0)

n/a

 Older than 50

8.3 (1)

0 (0)

0 (0)

0 (0)

n/a

Laboratory diagnosis

 Prevalence % (95% CI)

7.6 (3.5–11.8)

6.4 (2.6–10.2)

5.1 (1.6–8.5)

1.9 (0.0–4.1)

0.205 c

 Attack rate × 100,000 Inhabitants

14.9 × 105

12.4 × 105

9.9 × 105

4.9 × 105

n/a

  1. *p < 0.05 = statistically significant
  2. aKruskal-Wallis test
  3. b One-way ANOVA
  4. c Chi-squared (Χ 2 )