Table 1

Summary of incubation period estimates in published literature
Literature estimates* (days) Number of estimates (%) Participants in experimental studies (n)ψ
Range Central Tendency Unsourced estimates Sourced estimates Original estimates [experimental/observational]
Astrovirus 1-5 3 8 (40%) 7 (35%) 5 (25%) [1/4] 1
Caliciviruses
Norovirus 1-2 1 39 (22%) 74 (43%) 60 (35%) [15/45] 189
Genogroups I and II
Sapovirus 1-3 2 5 (36%) 2 (14%) 7 (50%) [0/7] -
Rotavirus 1-4 2 37 (34%) 54 (49%) 19 (17%) [6/13] 42
Total - - 89 (28%) 137 (43%) 91 (29%) [22/69] 232

*Literature estimates show the range of incubation periods consistent with most published estimates and the most frequently stated central tendency (eg. median, mean) for the incubation period; estimates that did not specify a type (eg. “the incubation period is 5 days”) were assumed to be statements of central tendency. ψObservational studies did not always report a defined number of participants, so a subject count is only reported for experimental studies.

Lee et al.

Lee et al. BMC Infectious Diseases 2013 13:446   doi:10.1186/1471-2334-13-446

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