Role of Short Term Video Encephalography with Induction by Verbal Suggestion in Diagnosis of Suspected Paroxysmal Nonepileptic Seizure-Like Symptoms

Table 2

Comparison of findings of our study with those of different other studies, in different settings, using different methods showing diagnostic yield of study in diagnosing epilepsy as well as PNES.

Reference	N	Pretest diagnosis	Mean age	Method	Mean recording time	Epilepsy; %	PNES; %
Our study (2014)	155	PNES likely	32	STVEEG + VS	47	16.6	70.3
Seneviratne et al. (2012) [17]	175	E: 77.7%; P: 22.3%	36	OVE + VS + HV + PS	230	17.3	37.1
McGonigal et al. (2002) [16]	143	“attacks”	34	STVEEG + VS + HV + PS	40–50	4.9	35.7
Varela et al.; (2007) [7]	52	PNES	Ns	OVEM + VS + HV + PS	Ns	0	67
Ghougassian et al. (2004) [3]	131	E: 55.7%; P: 6.9%; NC: 37.4	44.5	LTVEEG	1–13 days	43.5	24
Benbadis et al. (2004) [10]	74	PNES	Ns; >18	STVEEG + VS + HV + PS	120	0	63.5
Rowan et al. (1987) [18]	166	Ns	40.5	Daytime; No VS	360–480	48	43
Angus-Leppan (2007) [19]	1000	Ns	31; (1–101)	Routine EEG	<20	4.5%	1.5%
Bhatia et al. (1997) [12]	50	PNES	22.7	STVEEG + saline injection	300	0	60%

PNES: paroxysmal nonepileptic seizure-like symptom.
STVEEG: short term video encephalography.
OVEM: outpatient video EEG monitoring.
E: epilepsy.
P: PNES.
LTVEEG: long term video encephalography.
VS: verbal suggestion.
HV: hyperventilation.
PS: photic stimulation.
ns: not specified.
NC: not confirmed.