Table 3:

Multiple regression analysis for I/C volume ratios with historical factors

Model	Onset R² = 0.21				Duration R² = 0.38				GTCS R² = 0.67
Model	β	SE	T	P	β	SE	T	P	β	SE	T	P
Intercept	0.71	7.12	0.10	0.92	139.7	66.10	2.11	0.04	24.69	8.41	2.93	0.01
Hippocampus	0.30	2.08	0.15	0.88	−13.07	19.38	−0.67	0.50	2.17	2.45	0.88	0.39
Amygdala	−4.01	2.60	−1.54	0.13	−9.55	24.18	−0.39	0.69	−12.02	4.10	−2.93	0.01^*
Thalamus	5.98	2.33	2.56	0.01^*	−62.93	21.69	−2.90	0.007^*	−1.50	3.17	−0.47	0.64
Caudate	−1.90	3.06	−0.62	0.53	1.44	28.48	0.05	0.96	7.72	3.54	2.18	0.04^*
Cerebellum	0.16	5.84	0.03	0.97	−46.93	54.24	−0.87	0.39	−23.00	7.30	−3.15	0.008^*

Note:—GTCS indicates generalized tonic-clonic seizures. All results are expressed as coefficients (β), standard error (SE), T-statistic (T), and P value (P).
* Statistical significance.