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Table 5 Seroprevalence of anti-dengue virus IgM and anti-dengue virus IgG stratified by age groups and citiesa

From: Retrospective Seroepidemiology study of dengue virus infection in Taiwan

Characteristics Taipei Taoyuan Tainan
Seroprevalence (%) 95% CI Seroprevalence (%) 95% CI Seroprevalence (%) 95% CI
Age groups (years)
 0–9 IgM 1.76 (1.29, 2.22) 3.12 (2.55, 3.68) 4.73 (3.45, 6.01)
  IgG 0.93 (0.59, 1.26) 3.03 (2.76, 3.30) 1.58 (0.82, 2.33)
 10–19 IgM 0.00 (0.00, 0.00) 1.50 (1.16, 1.84) 0.00 (0.00, 0.00)
  IgG 0.00 (0.00, 0.00) 0.00 (0.00, 0.00) 4.48 (3.61, 5.35)
 20–29 IgM 1.15 (0.88, 1.42) 1.40 (1.04, 1.77) 1.84 (1.29, 2.39)
  IgG 0.00 (0.00, 0.00) 1.40 (1.02, 1.79) 4.69 (3.83, 5.56)
 30–39 IgM 0.81 (0.64, 0.99) 2.59 (2.14, 3.05) 1.55 (1.10, 2.01)
  IgG 4.07 (3.69, 4.45) 2.40 (1.92, 2.87) 3.11 (2.47, 3.75)
 40–49 IgM 1.16 (0.87, 1.45) 1.01 (0.78, 1.25) 2.90 (2.34, 3.47)
  IgG 1.16 (0.87, 1.45) 1.01 (0.75, 1.27) 0.00 (0.00, 0.00)
 50–59 IgM 2.78 (2.41, 3.16) 2.64 (2.17, 3.11) 0.00 (0.00, 0.00)
  IgG 2.78 (2.41, 3.16) 0.00 (0.00, 0.00) 0.00 (0.00, 0.00)
 60–69 IgM 2.27 (1.75, 2.80) 1.89 (1.09, 2.69) 0.00 (0.00, 0.00)
  IgG 3.41 (2.77, 4.06) 5.66 (4.59, 6.74) 18.92 (15.62, 22.22)
 ≥ 70 IgM 13.84 (8.43, 19.25) 5.90 (3.99, 7.82) 0.00 (0.00, 0.00)
  IgG 34.1 (26.74, 41.58) 5.90 (2.84, 8.97) 41.31 (37.66, 44.97)
Total IgM 1.75 (1.70, 1.80) 2.18 (2.12, 2.25) 1.50 (1.43, 1.57)
  IgG 2.76% (2.70, 2.83) 1.81% (1.77, 1.86) 6.64% (6.49, 6.79)
  1. CI Confidence interval
  2. aAll data were weighted
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