Application of symbolic play test in identification of autism spectrum disorder without global developmental delay and developmental language disorder

Table 1 Comparison of chronological age and SPT equivalent age in ASD without GDD group and DLD group

project	18–24 months		P	ES	25–31 months		P	ES	≥32 months		P	ES
project	N	⁻x ± s	P	ES	N	⁻x ± s	P	ES	N	⁻x ± s	P	ES
ASD without GDD group
Chronological age	32	22.27 ± 2.01	< 0.001	3.553	40	28.75 ± 1.70	< 0.001	4.431	28	35.09 ± 2.14	< 0.001	3.961
SPT equivalent age	16	14.50 ± 2.35			34	16.56 ± 3.50			26	19.52 ± 5.13
DLD group
Chronological age	31	22.11 ± 1.92	< 0.001	1.517	43	26.87 ± 1.48	< 0.001	1.525	26	34.32 ± 3.82	< 0.001	2.002
SPT equivalent age	27	17.39 ± 3.96			41	20.78 ± 5.45			24	23.49 ± 6.63

ASD Autism spectrum disorders, GDD Global developmental delay, SPT Symbolic play test, DLD Developmental language disorder, ES Effect size

ISSN: 1471-244X