Table 1.

Summary of data of all nine cases

Motor evoked potential amplitude
Case	Age	Sex	R stim		L stim		R stim		L stim		Anesthesia	Wake up test	Outcome
			I UL	C UL	I UL	C UL	I LL	C LL	I LL	C LL
1	12	F	NC	↓	NC	↓	↓	↓	↓	↓	TIVA	Abnormal	N after I
2	15	F	↓	↓	NC	NC	↓	↓	↓	↓	TIVA	Abnormal	N after I
3	15	F	NC	NC	NC	NC	↓	↓	↓	↓	TIVA	Abnormal	N after I
4	14	F	NC	NC	NC	NC	NC	NC	NC	↓	TIVA	N	N
5	14	F	NC	NC	NC	NC	NC	↓	NC	↓	Sevoflurane	N	N
6	19	F	NC	NC	NC	NC	NC	NC	NC	↓	TIVA	N	N
7	14	F	NC	NC	NC	NC	↓	NC	NC	NC	TIVA	N	N
8	15	F	NC	NC	NC	NC	↓	NC	↓	NC	TIVA	N	N
9	19	F	NC	NC	↓	NC	NC	NC	↓	NC	TIVA	N	N

F female, R right, L left, I ipsilateral, C contralateral, UL upper limb, LL lower limb, Stim cortical stimulation, TIVA total intravenous anesthesia, NC no change; ↓ reduced, N normal, I implant correction