TABLE 9.

Comparison of Mean Mullen T Scores

Variable	Score	N	Mean (95% CI)	P
PCP M-CHAT/F
Gross motor	Positive	32	36.0 (31.8–40.2)	.002
	Negative	50	43.2 (40.8–45.6)
Visual reception	Positive	40	34.5 (29.3–39.8)	<.001
	Negative	58	45.2 (42.1–48.2)
Fine motor	Positive	40	29.1 (25.0–33.3)	<.001
	Negative	58	42.0 (39.5–44.5)
Expressive language	Positive	40	24.6 (18.3–31.0)	<.001
	Negative	58	39.8 (36.4–43.2)
Receptive language	Positive	40	23.4 (17.3–29.5)	<.001
	Negative	58	38.4 (33.8–42.9)
AC M-CHAT/F
Gross motor	Positive	30	36.4 (32.1–40.6)	.005
	Negative	51	43.0 (40.5–45.5)
Visual reception	Positive	38	35.2 (29.7–40.8)	.002
	Negative	59	44.6 (41.5–47.7)
Fine motor	Positive	38	30.6 (26.0–35.1)	<.001
	Negative	59	40.6 (37.9–43.3)
Expressive language	Positive	38	27.4 (21.0–33.7)	.002
	Negative	59	38.2 (34.4–42.0)
Receptive language	Positive	38	25.9 (19.2–32.7)	.005
	Negative	59	36.9 (32.4–41.4)
ASD diagnosis
Gross motor	Positive	32	35.2 (32.1–38.4)	<.001
	Negative	50	43.7 (40.9–46.5)
Visual reception	Positive	39	37.2 (32.5–41.9)	.046
	Negative	59	43.2 (39.5–47.0)
Fine motor	Positive	39	32.0 (28.9–35.2)	.003
	Negative	59	39.8 (36.3–43.3)
Expressive language	Positive	39	29.0 (23.5–34.5)	.03
	Negative	59	36.7 (32.1–41.3)
Receptive language	Positive	39	21.9 (16.4–27.4)	<.001
	Negative	59	39.1 (34.4–43.8)

Comparisons were made with 2-tailed t test. CI, confidence interval.