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Table 5 Summary statistics of outbreaks and incubation period within subgroups

From: Incubation period of typhoidal salmonellosis: a systematic review and meta-analysis of outbreaks and experimental studies occurring over the last century

 

Count

Sum of cases

Median

Mean (95% CI)

Variance

Skew

Kurtosis

Attack rate

Vaccine

Subgroup 1

2

55

20

21.2 (19.5–22.9)

42.2

−0.002

−0.6

28.7

All or most cases

Subgroup 2

3

68

16

16.2 (14.6–17.8)

42.7

0.9

2.3

NR

Unknown

Subgroup 3

2

276

9

10.8 (9.7–11.8)

39.7

2.1

4.4

54.1

None

Subgroup 4

2

107

8

9.7 (8.6–10.7)

29.3

1.8

2.9

67.6

Unknown

  1. NR Not reported
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BMC Infectious Diseases

ISSN: 1471-2334

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