Hearing and Neurological Impairment in Children with History of Exchange Transfusion for Neonatal Hyperbilirubinemia

Table 2

Clinical characteristics of groups of children with SNHL and BNH with Exchange transfusion (𝑛=102).

Variable	SNHL group (n = 15)			BNH group (n = 87)
	n	Average ± SD	Range	n	Average ± SD	Range	U M-W^a	P
Gestational age (weeks)	15	33.7 ± 2.1	30–39.5	87	35.2 ± 3.3	26–40.6	425	0.03^a
Birthweight (g)	15	1927 ± 581	910–2,975	87	2,218 ± 790	790–3795	514	0.19^a
1 min Apgar score	15	6.4 ± 1.7	1–9	87	6.7 ± 2.2	2–9	497	0.12^a
5 min Apgar score	15	8.3 ± 0.8	1–9	87	8.5 ± 1.0	4–9	504	0.08^a
Mechanical ventilation (days)	5	5 ± 4	1–14	22	5 ± 2	1–20	46.5	0.58^a
Hospital stay (days)	15	31 ± 26	7–96	87	20 ± 18	5–102	469	0.08^a
Phototherapy (days)	15	5.5 ± 0.7	4–6	87	5.5 ± 1.4	1–10	637	0.87^a
Indirect bilirubin (mg/dL)	15	22.2 ± 5.7	14.7–35.6	87	18.7 ± 5.3	6.8–35.8	451	0.05^a
Age at follow-up (years)	15	6.7 ± 2.3	2–10	87	5 ± 3.7	1–10	566	0.41^a
Male	9	60%		42	48%			0.40**
Female	6	40%		45	52%
Term infant	1	7%		34	39%			0.01**
Premature infant	14	93%		53	61%

SNHL: sensorineural hearing loss. BNH: bilateral normal hearing. n: number of cases. SD: standard deviation. ^a𝑈 M-W: 𝑈 of Mann-Whitney test, **𝜒².