Table 3.
Association Between Chronic Immunosuppression and Clinical Outcomes in COVID-19
| Hazard Ratio (95% Confidence Interval) | |||
|---|---|---|---|
| Mechanical Ventilationa | In-hospital Death | Length of Staya | |
| Unadjusted regression analysis | .97 (.61–1.55) | .61 (.30–1.25) | .87 (.71–1.05) |
| Primary analysis | |||
| Inverse probability treatment weights | .79 (.46–1.35) | .66 (.28–1.55) | 1.16 (.92–1.47) |
| Secondary analyses | |||
| Propensity score matchingb | .91 (.50–1.67) | 1.50 (.41–5.45) | .89 (.67–1.17) |
| Propensity score adjustment | 1.10 (.66–1.84) | .59 (.28–1.22) | .990 (.80–1.22) |
Abbreviation: COVID-19, coronavirus disease 2019.
aThe models for risk of ventilation and length of stay incorporated the competing risk of death using Fine & Gray’s methodology.
bMatches were made using 1:1 greedy matching, and 108 pairs were identified.