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. Author manuscript; available in PMC: 2018 Feb 15.
Published in final edited form as: J Autism Dev Disord. 2017 Sep;47(9):2703–2709. doi: 10.1007/s10803-017-3188-z

Table 3.

Sensitivity, Specificity, and Predictive Power of the ADOS-2 (Revised Algorithm)

Study Diagnosis
ASD Not ASD
ADOS-2 Classification of ASD 6 21 PPV=22%
ADOS-2 Classification of Non-Spectrum 0 48 NPV=100%
Sensitivity=100% Specificity=70%

Note. PPV = positive predictive value; NPV = negative predictive value.