Table 3:

Results of the visual assessment of foci detectability

	No.	Sensitivity (%)			Specificity (%)			Accuracy (%)
	No.	Pre-PVC	Post-PVC	P	Pre-PVC	Post-PVC	P	Pre-PVC	Post-PVC	P
Total	75	49	85	<.001	69	85	.003	43	84	<.001
Histologic diagnosis
MTS	34	70	93	.004	90	93	NS	67	93	.001
MCD	11	50	90	NS	60	80	NS	30	80	.06
Tumor	20	28	83	<.001	56	83	.06	28	83	<.001
Nonspecific	10	40	60	NS	40	60	NS	30	60	NS
Foci location
Mesial temporal	41	56	90	<.001	78	90	NS	51	90	<.001
Neocortex	34	41	79	<.001	59	79	.03	32	76	<.001
Invasive EEG
No^{^a}	52	56	90	<.001	73	88	.01	48	88	<.001
Yes^{^b}	23	35	74	.004	61	78	NS	30	74	.002