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Table 3 Comparison of the incidence and mortality of CABM in children aged 0–14 years in different age groups in Zhejiang from 2019 to 2020

From: Diagnostic status and epidemiological characteristics of community-acquired bacterial meningitis in children from 2019 to 2020: a multicenter retrospective study

Age group

Incidence/100,000 (n/N)

Rate difference (95%CI)

Mortality/100,000 (n/N)

Rate difference (95%CI)

2019

2020

2019

2020

0–4 years

16.91 (499/2,951,489)

12.33 (364/2,951,489)

4.57 (2.62, 6.52)

0.14 (4/2,951,489)

0.27 (8/2,951,489)

-0.14

(-0.37, 0.09)

Neonates

39.12 (250/639,014)

30.13 (158/524,432)

8.99 (2.24, 15.75)

0.47 (3/639,014)

0.95 (5/524,432)

-0.48 (-1.47, 0.51)

 1-2 M

18.80 (131/696,985)

16.72 (99/592,190)

2.08 (-2.53, 6.68)

0.14 (1/696,985)

0.17 (1/592,190)

-0.03 (-0.46, 0.41)

 3 M-4Y

3.83 (118/3,080,217)

3.58 (107/2,991,970)

0.25 (-0.71, 1.22)

0 (0/3,080,217)

0.07 (2/2,991,970)

-0.07

(-0.16, 0.03)

 5-14years

0.61 (35/5,730,292)

0.35 (20/5,730,292)

0.26 (0.01, 0.52)

0.01 (1/5,730,292)

0 (0/5,730,292)

0.02 (-0.02, 0.05)

Total cases

6.15 (534/8,681,781)

4.42 (384/8,681,781)

1.73 (1.04, 2.41)

0.06 (5/8,681,781)

0.09 (8/8,681,781)

-0.03 (-0.12, 0.05)

  1. The published 7th census in 2020 was adopted as the population base aged 0–14 years in Zhejiang Province in this study, and the newborn birth population was obtained from Zhejiang Provincial Statistics Bureau