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Table 2 Serum (TSB) and transcutaneous bilirubin measurements (TcB-C/TcB-E)

From: Transcutaneous bilirubin estimation in extremely low birth weight infants receiving phototherapy: a prospective observational study

 

Mean

SD

IQ range (25–75%)

SEM

P value

TcB-C – TSB

2.68

2.41

1.1–4.2

0.29

< 0.001

TcB-E – TSB

−0.51

1.74

−1.77 – 0.47

0.21

0.02