TABLE 2.

Relationships of TSB and B/A to Progression of Neurotoxicity (n = 189)

Outcome	n	Median TSBa (Range)	Median B/Ab (Range)
Admission AABR RR	83	33.4 (22.9c–61.0)	10.0 (5.7c–21.0)
Residual Auditory neuropathy at 3 mo	22	37.1 (31.0c–61.0)	11.4 (8.6c–21.0)
BIND 2–3 mild ABE	47	27.0 (20.0c–37.7)	7.6 (5.5c–14.4)
BIND 4–6 moderate ABE	24	32.3 (27.1c–43.6)d	10.1 (7.1c–13.7)d
BIND 7–9 severe ABE	32	38.2 (28.9c–61.0)d,e	11.3 (8.6c–21.1)d,f
Kernicterus	35	38.7 (28.9c–61.0)	11.5 (8.6c–21.0)

Four patients on admission with hyperbilirubinemia at <24 h of age are excluded.

^aTotal serum bilirubin (mg/dL), median (min–max).

^bB/A (mg/g), median (min–max).

^cThresholds.

^dP < .0005 versus mild ABE.

^eP = .003 versus moderate ABE.

^fP = .030 versus moderate ABE.