Table 2

Relationship between admission oxygen saturation group and inpatient mortality on univariate and multivariate analysis in patients receiving supplemental oxygen

Died/totalUnivariate analysisMultivariate analysis
OR95% CIP valueOR95% CIP value
Oxygen saturations
 97%–100%38/2232.181.26 to 3.770.0052.971.58 to 5.580.001
 93%–96%44/3751.400.83 to 2.370.2051.981.09 to 3.600.025
 87% or less25/1472.171.19 to 3.960.0111.360.69 to 2.710.377
NEWS2-sats1.221.12 to 1.34<0.001
DECAF2.452.03 to 2.95<0.001
  • DECAF, dyspnoea, eosinopenia, chest X-ray consolidation, acidaemia, atrial fibrillation; NEWS2, National Early Warning Score.