. 2020 Sep 18;64(8):384–392. doi: 10.3345/cep.2020.00451

Table 1.

Studies of paroxysmal nonepileptic events including infants

Study	Mean age	Case size	Case selection	Diagnostic modality	Diagnosed as PNE, n (%)	No. of PNE patients with neurological comorbidities^b), n (%)
Park et al. [33] (2015)	<18 yr	887	Performed video-EEG	EEG	141 (15.9)	62 (44.0)
Park et al. [33] (2015)	<18 yr	887	Performed video-EEG	EEG	50 (<6 yr)^a)	26 (52.0, <6 yr)
Kim et al. [34] (2012)	<19 yr	1,108	Performed video-EEG	EEG	143 (12.9)	64 (44.8)
Kim et al. [34] (2012)	<19 yr	1,108	Performed video-EEG	EEG	35 (<1 yr)^a)	64 (44.8)
Hamiwka et al. [35] (2007)	8 yr (4 wk–17 yr)	127	Referred with first seizure	Clinical characteristic	31 (24)	Not specified
Hamiwka et al. [35] (2007)	8 yr (4 wk–17 yr)	127	Referred with first seizure	Clinical characteristic	11 (31, <2 yr)^a)	Not specified
Beach and Reading [5] (2005)	4 wk–16 yr	684	Suspected epileptic seizure	EEG	272 (39.8)	Not specified
Kotagal et al. [9] (2002)	8 wk–18 yr	883	Performed video-EEG	EEG	134 (15.2)	59 (44.0)
Kotagal et al. [9] (2002)	8 wk–18 yr	883	Performed video-EEG	EEG	26 (<5 yr)^a)	59 (44.0)
Bye et al. [36] (2000)	2 wk–17 yr	666	Performed video-EEG	EEG	285 (42.8)	122 (42.8)
Desai and Talwar [37] (1992)	7.37 yr (0.12–19 yr)	124	Performed video-EEG	EEG	27 (21.8)	19 (70.0)
Bye and Nunan [38] (1992)	3 wk–17 yr	186	Performed video-EEG	EEG	74 (39.8)	26 (35.1)

EEG, electroencephalography; PNE, paroxysmal nonepileptic events.

^a)

Subgroup of young patients.

^b)

Developmental delay, epilepsy, neurologic deficit.