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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Seizure. 2014 Oct 5;25:104–111. doi: 10.1016/j.seizure.2014.09.013

Table 2.

Risk factors in logistic regression model in model creation dataset.

Variable Log OR (beta) SE (beta) z p-value OR OR 95% CI
Age (<24months) 0.91 0.33 2.76 0.0058 2.48 1.30-4.72
Clinically Evident Seizures Prior to CEEG (present) 0.81 0.32 2.49 0.0126 2.24 1.19-4.22
Typical EEG background category (ref=normal/sleep)
    Slow/disorganized 2.43 1.04 2.34 0.0192 11.40 1.49-87.39
    Discontinuous 2.22 1.13 1.97 0.0488 9.24 1.01-84.4
    Burst-suppression 3.08 1.15 2.69 0.0072 21.79 2.31-205.91
    Attenuated/featureless 2.97 1.10 2.7 0.0069 19.42 2.25-167.33
Inter-ictal epileptiform discharges (present) 2.43 0.40 6.14 <0.0001 11.34 5.22-24.62

CEEG, continuous EEG monitoring; CI, confidence interval; OR, odds ratio