Hb increments for donor and recipient sex and blood collection method*
| Variable . | Whole blood collection . | Apheresis collection . | ||
|---|---|---|---|---|
| Male donor (n = 14 875) . | Female donor (n = 15 025) . | Male donor (n = 6905) . | Female donor (n = 1214) . | |
| Female recipient | ||||
| Pre-Tx Hb | 7.97 (0.88) | 7.98 (0.89) | 8.04 (0.88) | 7.92 (0.88) |
| Post-Tx Hb | 9.25 (1.18) | 9.13 (1.16) | 9.15 (1.15) | 8.96 (1.12) |
| Hb increment | 1.29 (0.93) | 1.14 (0.89) | 1.10 (0.90) | 1.04 (0.82) |
| Male recipient | ||||
| Pre-Tx Hb | 7.98 (0.86) | 8.00 (0.88) | 8.05 (0.86) | 8.09 (0.88) |
| Post-Tx Hb | 8.96 (1.11) | 8.88 (1.13) | 8.90 (1.10) | 8.88 (1.18) |
| Hb increment | 0.97 (0.82) | 0.88 (0.83) | 0.85 (0.82) | 0.79 (0.86) |
| Variable . | Whole blood collection . | Apheresis collection . | ||
|---|---|---|---|---|
| Male donor (n = 14 875) . | Female donor (n = 15 025) . | Male donor (n = 6905) . | Female donor (n = 1214) . | |
| Female recipient | ||||
| Pre-Tx Hb | 7.97 (0.88) | 7.98 (0.89) | 8.04 (0.88) | 7.92 (0.88) |
| Post-Tx Hb | 9.25 (1.18) | 9.13 (1.16) | 9.15 (1.15) | 8.96 (1.12) |
| Hb increment | 1.29 (0.93) | 1.14 (0.89) | 1.10 (0.90) | 1.04 (0.82) |
| Male recipient | ||||
| Pre-Tx Hb | 7.98 (0.86) | 8.00 (0.88) | 8.05 (0.86) | 8.09 (0.88) |
| Post-Tx Hb | 8.96 (1.11) | 8.88 (1.13) | 8.90 (1.10) | 8.88 (1.18) |
| Hb increment | 0.97 (0.82) | 0.88 (0.83) | 0.85 (0.82) | 0.79 (0.86) |
All presented data are mean ± SD. Pretransfusion Hb level within 18 hours of transfusion (Tx) and Hb increments within 18-hour period after Tx. Hb values are given in grams per deciliter.
P < .001 for mean trend in Hb increments across donor, component, and recipient status.