Table 4

Effect estimates for CO@h sites with 20% or more enrolment, from mixed effects logistic/negative binomial regression models adjusted for month of test and patient factors

OutcomeAdjusted ORSEP value95% CIDenominator
LowerUpper
Mortality within 28 days of positive COVID-19 test0.890.3970.7980.372.134807*
Any ED attendance within 28 days of positive COVID-19 test1.270.2480.2160.871.864887
Any hospital admission within 28 days of positive COVID-19 test1.440.3170.1020.932.214887
Critical care use of those admitted1.640.9540.3930.535.13652
Adjusted IRRSEP valueLowerUpperDenominator
Length of stay (days) of those admitted1.270.2590.2460.851.89552
  • Denominator represents the total number in the analysis with no missing data in adjusting covariates.

  • *80 observations excluded in April/May as no deaths occurring.

  • CO@h, COVID Oximetry @home; IRR, incidence rate ratio.