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TABLE 4

Areas Under the ROC Curve for Bili-Ruler Scoring on Different Body Sites

Bilirubin Cutoff (mg/dL)Bilirubin Reference StandardAUC for Nose MeasurementAUC for Foot Measurement
≥11 TcB 0.916 0.716 
TSB 0.896 0.786 
≥13 TcB 0.930 0.753 
TSB 0.865 0.813 
≥15 TcB 0.937 0.775 
TSB 0.859 0.833 
≥17 TcB 0.939 0.802 
TSB 0.887 0.877 
≥20 TSBa 0.848 0.900 
Bilirubin Cutoff (mg/dL)Bilirubin Reference StandardAUC for Nose MeasurementAUC for Foot Measurement
≥11 TcB 0.916 0.716 
TSB 0.896 0.786 
≥13 TcB 0.930 0.753 
TSB 0.865 0.813 
≥15 TcB 0.937 0.775 
TSB 0.859 0.833 
≥17 TcB 0.939 0.802 
TSB 0.887 0.877 
≥20 TSBa 0.848 0.900 
a

AUCs for bilirubin cutoff of 20 mg/dL are not shown for the TcB reference because the TcB machine would not register most bilirubin levels above 20 mg/dL (only 1 subject registered a TcB >20).

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