Pseudoseizure: Likelihood Ratios

Introduction: aka psychogenic nonepileptic seizures

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Tags: Neurologic Psychiatric Tag this Diagnosis.

The likelihood ratios of findings for Pseudoseizure are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding	+LR	-LR	Comments, Study
Eye Closure Duplicate	48	0	by history Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856
Pelvic Thrusting Duplicate	3.3	0.3	predominant symptom (by history) is pelvic thrusting. vs frontal lobe epilepsy. Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856
Eye Closure Duplicate	2.5	0.5	observed clinically Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856

Good Negative Likelihood Ratio

Pelvic Thrusting
Duplicate

1.3

clinically observed pelvic thrusting. vs frontal epilepsy

Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856

Good Positive Likelihood Ratio

Ictal Stutter

inf

0.9

repeated utterances of initial phonemes or words during a seizure, either spontaneously or in response to questioning, which was not present interictally

Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856

Transitional Objects

aka teddy bear sign

Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856

Poorly Diagnostic Findings

Pelvic Thrusting
Duplicate

1.5

0.9

any pelvic thrusting component in history, vs any kind of seizure

Study: Neurologist. 2008 Jul;14(4):266-70. PMID: 18617856