Table 1 Normal Spo2 (%) levels in healthy children measured by the same group of investigators using Nellcor N200 (or N100 with N200 software) pulse oximetry in beat-to-beat mode
AgeNoMedian (%)5th centile (%)Range (%)Reference
Preterm (normal lungs) first week5599.495.591–1005
Ex-preterm babies at term6699.494.389–1006
Full term first 24 h9098.389–1007
Full term first week6097.693.292–1008
Full term 2–4 weeks6098.091.987–1008
Full term 4–8 weeks6799.897–1009
Full term 2–16 (mean 8) years7099.596.696–10010