Table 3.

Results of multivariable logistic regression adjusting for possible confounding clinical variables testing the association with the EEG-1 recording, n=57

	OR (95% CI)	P value
Unadjusted
EEG-1	11.83 (1.43 to 98.06)	0.022
Adjusted
EEG-1  Weight	9.65 (1.12 to 82.81) 1.00 (1.00 to 1.00)	0.039 0.332
EEG-1  Apgar 1 min	9.75 (1.14 to 83.17) 0.87 (0.68 to 1.12)	0.037 0.276
EEG-1  Apgar 5 min	9.14 (1.07 to 78.03) 0.67 (0.43 to 1.04)	0.043 0.075
EEG-1  IUGR (Ref: normal)	10.51 (1.24 to 89.17) 4.14 (0.77 to 22.15)	0.031 0.097
EEG-1  CRUS/MRI (Ref: normal)  IVH grade 1/2  IVH grade 3/4 or cPVL	13.96 (1.56 to 124.64) 0.19 (0.03 to 1.08) 1.32 (0.23 to 7.46)	0.018 0.126

cPVL, cystic periventricular leukomalacia; CRUS, cranial ultrasound; EEG, electroencephalography; IUGR, intrauterine growth restriction; IVH, intraventricular haemorrhage.