Table 2.

Predictive Characteristics of Percentile Tracks as Risk Demarcators for Subsequent Significant Hyperbilirubinemia*

Location of
Predictive Predischarge TSB Vector
Outcome: Subsequent
Significant
Hyperbilirubinemia
Predictive Characteristics
Percentile Track as
Risk Demarcator
Number of Newborns
(Total = 2840)
Present
(Total = 126)
Absent
(Total = 2714)
Positive
Predictive
Value
Negative
Predictive
Value
SensitivitySpecificity
Above 95th percentile1726810439.5%97.8%54.0%96.2%
Below 95th percentile2668582610
Above 75th percentile52811441421.6%99.5%90.5%84.7%
Below 75th percentile2312122300
Above 40th percentile108412695811.6%100%100%64.7%
Below 40th percentile175601756
  • * Defined as when a subsequent TSB value reaches into the high-risk zone (≥95th percentile track).