TABLE 2

Relative Odds Ratio of Each Predictor Variable

Predictor VariablesBOdds Ratio (95% CI)P
(Intercept)−3.79
Male sex0.661.93 (1.07–3.54).030
Age at first event0.051.05 (0.98–1.12).155
Event description
 Automatism1.635.09 (2.47–10.66)<.001
 Lateralizing symptoms0.762.15 (1.01–4.59).047
 Weakness or loss of muscle tone1.123.07 (1.28–7.18).010
 Bilateral jerking0.591.80 (0.97–3.34).064
 Cramping0.651.92 (0.81–4.45).130
Medical history
 Neurologic1.343.81 (1.67–8.79).002
 Metabolic or genetic syndrome0.792.20 (0.63–7.30).203
 Psychiatric0.221.24 (0.43–3.31).678
EEG findings
 Focal epileptiform abnormalities3.2024.60 (12.18–52.34)<.001
 Generalized epileptiform abnormalities3.8145.06 (15.87–146.28)<.001
 Aspecific nonepileptiform abnormalities1.273.57 (1.57–8.12).002
  • Determined in a multivariate model including both clinical and EEG predictor variables, based on the external validation cohort (n = 187). —, not applicable.