Table 5.

Physical functioning level 7 days after hospital discharge

Variable	Coefficient	95% CI	P
RBC transfusion, U
1	−5.8	−13 to 1.1	.09
2-3	−0.60	−9.0 to 7.8	.89
Hb, g/dL
8-8.9	−1.7	−5.7 to 2.4	.42
7-7.9	1.8	−2.5 to 6.1	.42
<7	−0.30	−7.9 to 7.3	.94

Scale range, 11 to 55. Model controls for: age, sex, race, Charlson Comorbidity Index, length of stay, nadir Hb. Referent categories: no transfusion, and Hb 9-10 g/dL.