TABLE 4

Positive Predictive Value of M-CHAT and M-CHAT/F

ASD DiagnosisAny DSM-IV DiagnosisAny Diagnosis + Developmental Concerns
M-CHAT only
 GSU0.050.080.09
 UConn0.060.110.12
 Combined0.060.090.11
M-CHAT + M-CHAT/F
 GSU0.510.830.96
 UConn0.560.930.99
 Combined0.540.890.98