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Table 5 Results of the latent classes capture-recapture model to estimate bacterial meningitis under-reporting by patient and disease characteristics.

From: Incidence of bacterial meningitis (2001–2005) in Lazio, Italy: the results of a integrated surveillance system

Variable

Group

total reported

estimated not reported

95% Confidence Interval

% of under-reporting

 

All

944

196

176 – 219

17,2

Gender

    
 

male

526

112

100 – 125

17,5

 

female

418

84

76 – 94

16,8

Age

    
 

0–5

227

37

34 – 41

14,1

 

6–64

513

123

110 – 139

19,4

 

>64

204

35

32 – 39

14,8

Aetiology

    
 

Pneumo/Meningo/Haemophilus

428

11

11 – 12

2,6

 

other

516

185

164 – 207

26,4

Type of infection

    
 

AIDS/HIV

26

14

9 – 23

35,2

 

Hospital

83

29

22 – 39

25,8

 

Community

838

155

140 – 171

15,6

Residence

    
 

Lazio

857

133

122 – 144

13,4

 

out of region

87

63

54 – 75

42,2

Citenzenship

    
 

Italian

816

114

105 – 123

12,3

 

foreign-born

128

82

70 – 95

39,1

  1. 2001–2005, Lazio, Italy.