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. Author manuscript; available in PMC: 2018 Jan 8.
Published in final edited form as: Vaccine. 2017 May 27;36(3):347–354. doi: 10.1016/j.vaccine.2017.05.012

Table 3.

Characteristics of children with confirmed aseptic meningitis or immune thrombocytopenic purpura (ITP)

Characteristic Confirmed aseptic meningitis cases n=84 Confirmed ITP cases n=183
Male sex (n, %) 54 (64%) 98 (54%)
Age at onset in months (median; IQR) 13 (12-15) 15 (12-19)
Mumps-containing first dose vaccination (n, %) 80 (95%) -
    Exact date known (n, %) 60 (75%) -
    Vaccine brand known (n, %) 41 (51%) -
    Age at vaccination in months (median; IQR) 12 (11-12.5) -
Measles-containing first dose vaccination (n, %) - 172 (94%)
    Exact date known (n, %) - 159 (92%)
    Vaccine brand known (n, %) - 125 (73%)
    Age at vaccination in months (median; IQR) - 12 (12-15)

Two aseptic meningitis cases died during the observation period, one case in Spain 78 days after disease onset date and another case in Australia 608 days following disease onset. None ITP case was known to die during the observation period.