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Table 3 Incidence of meningococcal meningitis by culture (n = 10) and serogroup-specific PCR and sequencing (n = 43) among children aged < 5 years old in China, South Korea, and Vietnam by age group, 1999 through 2002 a

From: An expanded age range for meningococcal meningitis: molecular diagnostic evidence from population-based surveillance in Asia

Age (months)

 

China

 

Korea

 

Vietnam

N

Incidence rate (95% CI)

N

Incidence rate (95% CI)

N

Incidence rate (95% CI)

< 6

5

14.6 (4.5-47.2)

7

27.2 (9.9-74.2)

11

15.5 (3.6-67.2)

7-11

1

3.4 (0.4-33.0)

0

0

9

29.1 (8.0-106.0)

12-23

0

0

2

4.5 (0.8-25.8)

5

13.7 (3.8-50.1)

24-59

0

0

7

4.8 (1.8-13.1)

6

2.4 (0.5-10.2)

overall

6

2.1 (0.7-6.2)

16

6.8 (3.5-13.5)

31

7.4 (3.6-15.3)

  1. aSurveillance periods: China, January 1, 2000--December 31, 2002; South Korea: September 1, 1999--December 31, 2001; Vietnam: March 4, 2000-March 3, 2002
  2. bIncidence rates are shown per 100,000 children; 95% confidence intervals are shown in parentheses.
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BMC Infectious Diseases

ISSN: 1471-2334

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