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Estimated effect of corticosteroid treatment on the outcome measures before and after PSM.
| Unmatched | Matched | |
|---|---|---|
| Death or orotracheal intubation | HR 1.91; 95% CI: 1.38–2.61 | HR 1.64; 95% CI: 0.93–2.92 |
| Death | HR 1.47; 95% CI: 1.02–2.10 | HR 1.33; 95% CI: 0.94–2.82 |
