Diagnostic validity of Autism Diagnostic Observation Schedule, second edition (K-ADOS-2) in the Korean population

Table 5 Agreement with existing instrument based on ASD cutoff criteria

Module	Pearson’s r (Cohen’s Kappa values)
Module	ADI-R	SCQ	SRS	K-CARS (cutoff 24)	K-CARS (cutoff 28)
Total Modules	.77**	.62**	.63**	.86**
Total Modules	(.66**)	(.52**)	(.61**)	(.69**)	(.59**)
Toddler Module	.75**	.62**	.62**	.90**
Toddler Module	(.58**)	(.49**)	(.57**)	(.86**)	(.83**)
Toddler module (12–20/NV21–30)	.89**	.62**	.60**	.90**
Toddler module (12–20/NV21–30)	(.59**)	(.48**)	(.58**)	(.85**)	(.83**)
Toddler module (21–30 SW)	.85**	.57**	.59**	.90**
Toddler module (21–30 SW)	(.49**)	(.47**)	(.51**)	(.90**)	(.81**)
Module 1	.70**	.52**	.55**	.79**
Module 1	(.41**)	(.40**)	(.42**)	(.71**)	(.53**)
Module 1 (NW)	.52**	.47**	.45**	.80**
Module 1 (NW)	(.35**)	(.42**)	(.35**)	(.82**)	(.65**)
Module 1 (SW)	.78**	.54**	.65**	.76**
Module 1 (SW)	(.45**)	(.38**)	(.47**)	(.64**)	(.45**)
Module 2	.82**	.64**	.66**	.87**
Module 2	(.68**)	(.51**)	(.58**)	(.69**)	(.58**)
Module 2 (< 5 yo)	.85**	.66**	.66**	.88**
Module 2 (< 5 yo)	(.72**)	(.54**)	(.61**)	(.69**)	(.59**)
Module 2 (≥ 5 yo)	.66**	.58**	.55**	.68**
Module 2 (≥ 5 yo)	(.42**)	(.28**)	(.31**)	(.38**)	(.20*)
Module 3	.78**	.52**	.64**	.82**
Module 3	(.73**)	(.50**)	(.61**)	(.44**)	(.33**)
Module 4	.74**	.47**	.59**	.84**
Module 4	(.57**)	(.44**)	(.55**)	(.28**)	(.25**)

Notes **p-value 1 < 0.001; *p-value < .01; ASD, autism spectrum disorder; 12–20/NV21–30 12–20 months toddlers/nonverbal 21–30 months toddlers; 21–30 SW, 21–30 months toddlers with some words; NW, no words; SW, some words; ADI-R, Autism Diagnostic Interview-Revised; SCQ, Social Communication Questionnaire; SRS, Social Responsiveness Scale; and K-CARS, Korean Child Autism Rating Scale

ISSN: 2040-2392