Cox proportional hazard model
| Covariate . | HR . | 95% CI . | P . |
|---|---|---|---|
| Year of first transplant | |||
| <1997 | (reference) | — | — |
| 1998-2003 | 0.08 | 0.72-0.89 | <.001 |
| 2004-2008 | 0.69 | 0.62-0.77 | <.001 |
| 2009-2019 | 0.68 | 0.59-0.78 | <.001 |
| ≥2014 | 0.35 | 0.27-0.45 | <.001 |
| Sex | |||
| Male | (reference) | — | — |
| Female | 0.91 | 0.84-0.98 | .02 |
| Age, y | |||
| <65 | (reference) | — | — |
| ≥65 | 1.65 | 1.51-1.81 | <.001 |
| Race/ethnicity | |||
| White | (reference) | — | — |
| African American | 1.14 | 1.00-1.30 | .05 |
| Other | 1.06 | 0.86-1.32 | .58 |
| Clinical trial | |||
| Non-TT | (reference) | — | — |
| TT participant | 0.59 | 0.54-0.64 | <.001 |
| Covariate . | HR . | 95% CI . | P . |
|---|---|---|---|
| Year of first transplant | |||
| <1997 | (reference) | — | — |
| 1998-2003 | 0.08 | 0.72-0.89 | <.001 |
| 2004-2008 | 0.69 | 0.62-0.77 | <.001 |
| 2009-2019 | 0.68 | 0.59-0.78 | <.001 |
| ≥2014 | 0.35 | 0.27-0.45 | <.001 |
| Sex | |||
| Male | (reference) | — | — |
| Female | 0.91 | 0.84-0.98 | .02 |
| Age, y | |||
| <65 | (reference) | — | — |
| ≥65 | 1.65 | 1.51-1.81 | <.001 |
| Race/ethnicity | |||
| White | (reference) | — | — |
| African American | 1.14 | 1.00-1.30 | .05 |
| Other | 1.06 | 0.86-1.32 | .58 |
| Clinical trial | |||
| Non-TT | (reference) | — | — |
| TT participant | 0.59 | 0.54-0.64 | <.001 |
HR, hazard ratio.