Results of multivariate Cox proportional hazards regression analysis of risk factors in relation to secondary graft failure
| Factor . | RR . | 95% CI . | Pvalue . | Favorable characteristic . |
|---|---|---|---|---|
| Donor age (per decade) | 1.20 | 1.08-1.34 | .0008 | Younger |
| Recipient CMV serologic status | 1.32 | 1.08-1.61 | .007 | Negative |
| Caucasian race | 1.00 | NA | NA | Reference group |
| African American ethnic group | 1.79 | 1.23-2.61 | .002 | Non–African American |
| Hispanic ethnic group | 1.89 | 1.30-2.75 | .0008 | Non-Hispanic |
| Cell dose (per 108/kg) | 0.86 | 0.80-0.92 | .0001 | Higher dose |
| Initial engraftment after day 28 | 1.82 | 1.32-2.52 | .0003 | Earlier engraftment |
| Factor . | RR . | 95% CI . | Pvalue . | Favorable characteristic . |
|---|---|---|---|---|
| Donor age (per decade) | 1.20 | 1.08-1.34 | .0008 | Younger |
| Recipient CMV serologic status | 1.32 | 1.08-1.61 | .007 | Negative |
| Caucasian race | 1.00 | NA | NA | Reference group |
| African American ethnic group | 1.79 | 1.23-2.61 | .002 | Non–African American |
| Hispanic ethnic group | 1.89 | 1.30-2.75 | .0008 | Non-Hispanic |
| Cell dose (per 108/kg) | 0.86 | 0.80-0.92 | .0001 | Higher dose |
| Initial engraftment after day 28 | 1.82 | 1.32-2.52 | .0003 | Earlier engraftment |
RR indicates relative risk; CI, confidence interval; CMV, cytomegalovirus.