Comparison of values for the production-conjugation index, COHbc, TCB, and STB for neonates ⩾37 weeks gestation and those >37 weeks
| Variable | ⩽37 weeks gestation | >37 weeks gestation | p Value |
|---|---|---|---|
| Values are mean (SD) or median (interquartile range), as appropriate | |||
| STB, Serum total bilirubin; COHbc, carboxyhaemoglobin corrected for inspired carbon monoxide; TCB, total conjugated bilirubin; tHb, total haemoglobin. | |||
| Production-conjugation | |||
| index (unitless) | 2.31 (2.12–3.08) | 1.05 (0.53–1.81) | 0.003 |
| COHbc (% tHb) | 0.88 (0.21) | 0.82 (0.20) | 0.46 |
| TCB (% STB) | 0.39 (0.31–0.42) | 0.74 (0.44–1.69) | 0.009 |
| STB (μmol/l) | 160 (35) | 141 (72) | 0.48 |