Table 2 ASD group characteristics

ADI-R

n = 30

n = 24

n = 6

 Social

22.03 (3.99)

22.08 (3.91)

21.83 (4.67)

0.14

28

0.89

 Verbal communication

17.73 (4.62)

17.96 (4.61)

16.83 (4.96)

0.53

28

0.60

 Repetitive behaviors

6.23 (2.81)

6.38 (2.68)

5.67 (3.50)

0.55

28

0.59

ADOS module 2

n = 1

n = 1

---

 SA domain

11.00 (---)

11.00 (---)

---

---

---

---

 RRB domain

5.00 (---)

5.00 (---)

---

---

---

---

 Total

16.00 (---)

16.00 (---)

---

---

---

---

ADOS module 3

n = 29

n = 22

n = 7

 SA domain

9.76 (3.65)

9.68 (3.39)

10.00 (4.69)

−0.20

27

0.85

 RRB domain

2.52 (1.70)

2.64 (1.71)

2.14 (1.77)

0.66

27

0.51

 Total

12.28 (4.33)

12.32 (3.95)

12.14 (5.73)

0.09

27

0.93

ADOS module 4

n = 1

n = 1

---

 SA domain

11.00 (---)

11.00 (---)

---

---

---

---

 RRB domain

1.00 (---)

1.00 (---)

---

---

---

---

 Total

12.00 (---)

12.00 (---)

---

---

---

---

ADOS Calibrated Severity Score

7.19 (1.85)

7.29 (1.68)

6.86 (2.48)

0.54

29

0.59

SRS-parent total raw score

97.87 (30.13)

93.33 (30.70)

113.43 (23.73)

−1.59

29

0.12

Disruptive behavior

9.32 (5.17)

7.17 (3.51)

16.71 (2.06)

−6.81****

29

< 0.0001

Anxiety symptoms

7.26 (4.97)

6.21 (4.08)

10.86 (6.34)

−2.34*

29

0.03

ADHD symptoms

25.25 (8.10)

23.38 (6.24)

31.66 (10.80)

−2.60*

29

0.02

Head motion (M absolute, mm)

0.48 (0.49)

0.47 (0.45)

0.52 (0.66)

−0.26

29

0.80

Head motion (M relative, mm)

0.14 (0.12)

0.14 (0.11)

0.14 (0.15)

−0.02

29

0.98