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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: J Autism Dev Disord. 2019 Apr;49(4):1455–1474. doi: 10.1007/s10803-018-3834-0

Table 3.

Research-defined ASDa incident cases according to PASDb group

Research-Defined ASD PASDb Group PASD-1, -2, or -3
N (% of 1766)
PASD-1
N (% of 242)		 PASD-2
N (% of 903)		 PASD-3
N (% of 621)
Met ASD-RIc criteria 234 (96.7%) 582 (64.5%) 240 (38.6%) 1056 (59.8%)
Met ASD-RNd criteria 210 (86.8%) 267(29.6%) 56 (9.0%) 533 (30.2%)
a

ASD: Autism spectrum disorder

b

PASD: Potential ASD individuals (see Figure 1), among whom research-defined ASD incident cases were identified

c

ASD-RI: Research-defined ASD, (inclusive criteria; see Table 2)

d

ASD-RN: Research-defined ASD (subset of ASD-RI who met narrow criteria; see Table 2)