Red Blood Cell Transfusion and Postoperative Delirium in Hip Fracture Surgery Patients: A Retrospective Observational Cohort Study

Table 4

Outcomes for patients in the IPTW cohort.

Variable	No RBC transfusion	RBC transfusion	P value
	N = 3,089	N = 626
Delirium	537 (17.4)	127 (20.3)	0.02
Length of stay after surgery (days)	6 ± 5	7 ± 10	<0.001
Discharge location			<0.001
Died or hospice	40 (1.3)	10 (1.6)
Home	581 (18.8)	96 (15.3)
Rehabilitation	914 (29.6)	225 (36.0)
Other hospitals	65 (2.1)	24 (3.9)
Nursing home	1,486 (48.1)	271 (43.2)
No data	3 (0.1)	0 (0)

Values are mean +sd or n (%). IPTW = inverse probability of treatment weighting; RBC = red blood cell. values are weighted with IPTW.