Table 1.

Descriptive data of the sample by diagnostic outcome group

	TSC-ASD	TSC+ASD	t	p
Subjects (n, %)	62, 57%	46, 43%
Sex (% male)	55%	52%
MSEL developmental quotient at 24 months ($\overline{x}$ ± σ)	90.4 ± 19.8	61.5 ± 19.7	7.6	1.7 × 10− 11
Epilepsy Severity Score at 24 months ($\overline{x}$ ± σ)	2.1 ± 1.6	3.6 ± 1.8	− 4.8	6.1 × 10− 6
ADOS-2 calibrated severity score ($\overline{x}$ ± σ)	1.7 ± 0.8	6.4 ± 2.0	− 15.5	< 2.2 − 10−16

MSEL Mullen Scales of early learning, ADOS autism diagnostic observation schedule