Table 2.

Analysis results of all children (n = 102)

Variable	Univariable β	95% CI	p value	Multivariable β	95% CI	p value
Mutation
TSC1	17.7	−2.0 to 37.4	0.078	5.7	−12.3 to 23.7	0.534
TSC2	−3.3	−21.6 to 15.1	0.728	−3.5	−20.3 to 13.2	0.679
Epilepsy	−28.4	−42.3 to −14.6	0.000	−8.8	−28.5 to 10.9	0.383
Infantile spasms	−18.3	−28.4 to −8.2	0.000	2.0	−10.0 to 13.9	0.746
Age at seizure onset (months)	1.7	1.3 to 2.2	0.000	1.2	0.4 to 2.0	0.005
Number of AEDs used	−6.3	−8.6 to −4.0	0.000	−0.9	−4.7 to 2.9	0.634
Success of first AED	15.7	4.0 to 27.4	0.008	−0.2	−12.3 to 11.8	0.972
Vigabatrin used
First AED	−0.9	−12.9 to 11.1	0.881	−3.3	−17.7 to 11.1	0.654
Second AED or later	−14.6	−26.9 to −2.3	0.020	−4.5	−17.8 to 8.8	0.509
Never used	x	x	x	x	x	x
Corticosteroid treatment	−33.2	−56.1 to −10.3	0.005	−11.8	−34.9 to 11.3	0.318
Age of walking independently (months)	−2.1	−3.2 to −0.9	0.000	−0.3	−1.5 to 0.9	0.622

CI confidence interval, AED anti-epileptic drug