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. 2020 Mar 26;25(12):1900427. doi: 10.2807/1560-7917.ES.2020.25.12.1900427

Table 3. Sensitivity and specificity of the ReaScan TBE IgM rapid testa (n = 313 samples).

Type of patients ReaScana result Total Sensitivityb
(95% CI)
Specificityc
(95% CI)
TBE positive TBE equivocal TBE negative
TBE patients 171 1 0 172 99.4%
(96.8–100%)
97.9%
(93.9–99.6%)
Non-TBE patients 1 2 138 141

CI: confidence interval; TBE: tick-borne encephalitis.

a ReaScan TBE IgM rapid test (Reagena, Toivala, Finland).

b Equivocal results calculated as false negative.

c Equivocal results calculated as false positive.

In this table, samples were not from patients known to have vaccinations, or infections other than with TBE virus, that might cause diagnostic problems such as serological cross-reactions.