Table 4 Comparison of symbolic play ability and development level in ASD without GDD group and DLD group in children aged ≥32 months

SPT equivalent age

 < 12 months

2

66.67%

1

33.33%

0.000

1.000

0.000

 ≥12 months

26

50.98%

25

49.02%

Gross motor function

92.46 ± 7.92

93.50 ± 6.27

−0.530

0.598

0.146

Fine motor function

78.89 ± 6.36

85.38 ± 9.65

−2.940

0.005

0.794

Adaptive behavior function

79.21 ± 7.32

87.38 ± 9.48

−3.560

0.001

0.965

Language function

64.89 ± 10.96

61.65 ± 8.63

1.201

0.235

0.328

Personal-social function

72.21 ± 6.53

73.12 ± 6.26

−0.517

0.607

0.142