Recovery of Abnormal ABR in Neonates and Infants at Risk of Hearing Loss

Table 1

Characteristics of patients in relation to the improvement of ABRs in follow-up measurements.

	ABR		value
	Improvement	No improvement
Sex (m/f)	27/18	35/27	0.84
Gestational age (weeks)			0.14
Corrected at first ABR (weeks)			0.001
Chronological age at first ABR (days)			0.010
Ototoxic medication (yes/no)	17/28	26/36	0.66
Birth weight (gr)			0.97
Exchange transfusions (yes/no)	7/38	12/50	0.79
Severe birth asphyxia (yes/no)	18/27	20/42	0.41
OAE (yes/no)	20/12	9/28	0.001

Corrected age = chronological age reduced by the number of weeks born before 40 weeks of gestation.