Table 2.

The Effect of Transfusion and Hb on Changes in Fatigue by Baseline Fatigue Quintiles

	Baseline FACIT Score
Unstratified	N	Mean	Range	Δ Fatigue	95% CI	p
	357	28	0–52	2.5	(−1.2, 6.2)	0.19
Fatigue Quintile	N	Mean	Range	Δ Fatigue	95% CI	p
1 (Low)	83	46	41–52	1.8	(−2.8 6.4)	0.68
2	66	36	32–40	-0.84	(−9.1, 7.4)	0.84
3	70	28	24–31	−6.9	(−16, 1.9)	0.12
4	64	19	15–23	−4.6	(−14, 4.7)	0.33
5 (High)	74	7.5	0–14	12	(2.4, 23)	0.02

Linear regression controlling for: age, sex, length of stay, number of units of RBC transfused, Charlson Comorbidity Index score

^ΔFatigue=β coefficient for the interaction effect of transfusion × nadir Hb on the dependent variable change in fatigue (FACIT_FU – FACIT_inp)