TABLE 3.

Comparison of 24-Month Mullen Scales T-Scores and Mullen Composite Score Patients With and Without a TSC2 Pathogenic Variant

	TSC2 Mean (S.D.)	TSC1/NMI Mean (S.D.)	P Value *
Gross Motor T-Score†	36.2 (11.4)	44.9 (9.3)	<0.001
Visual Reception T-Score†	35.7 (14.7)	50.5 (12.0)	<0.001
Fine Motor T-Score†	33.2 (12.4)	44.0 (12.1)	<0.001
Receptive Language† T-Score	35.5 (15.6)	46.2 (12.4)	0.002
Expressive Language T-Score†	35.1 (11.8)	46.5 (10.6)	<0.001
Early Learning Composite Standard Score‡	74.3 (23.2)	94.5 (18.9)	<0.001

Abbreviations:

NMI = No mutation identified.

Bold values indicate significance.

^*From the Kruskal-Wallis Rank Sum Test.

^†T-scores have a mean of 50 and an S.D. of 10.

^‡Early Learning Composite score has a mean of 100 and an S.D. of 15.