Effect estimates associated with enrolment to CO@h for each study outcome after matching
| Outcome | OR | SE | P value | 95% CI | Denominator | |
| Lower | Upper | |||||
| Death within 28 days | 0.48 | 0.16 | 0.030 | 0.25 | 0.93 | 15 621 |
| Any ED attendance within 28 days | 1.37 | 0.12 | <0.001 | 1.16 | 1.63 | 15 621 |
| Any hospital admission within 28 days | 1.59 | 0.15 | <0.001 | 1.32 | 1.91 | 15 621 |
| Any critical care use of those admitted | 0.47 | 0.16 | 0.030 | 0.24 | 0.93 | 2272 |
| IRR | SE | P value | Lower | Upper | Denominator | |
| Length of stay (LOS) of those admitted | 0.931 | 0.077 | 0.384 | 0.791 | 1.094 | 2135 |
CO@h, COVID-19 Oximetry @home; IRR, incidence rate ratio; OR, Odds ratio; SE, Standard error.