Safety and outcomes of hip and knee replacement surgery in liver transplant recipients

Table 1 Compares demographics and main outcomes between the two groups during index admission

General characteristics	Patients with history of LT, n = 3218	Patients without LT, n = 5042901	P value
Mean age at admission	64.05 ± 0.49	67.51 ± 0.46	< 0.001
LOS	2.87 ± 0.03	3.86 ± 0.25	< 0.001
Mortality	8 (0.24%)	11154 (0.22%)	0.792
Primary expected payer
1: Medicare	2104	3056650	< 0.001
2: Medicaid	189	212763
3: Private	837	1592682
4: Self-pay	13	26225
5: No charge	4	3057
6: Other	71	149442
Location/teaching status of hospital
1: Rural	191	498918	< 0.001
2: Urban nonteaching	509	1278335
3: Urban teaching	2517	3268866
CHF	263	260627	< 0.001
Renal failure	1461	434965	< 0.001
Coronary artery disease	454	661069	0.276

LT: Liver transplant; CHF: Chronic heart failure; LOS: Length of hospital stay.

Table 2 Predictors of readmissions at 90-d (multivariate analysis)

	Odds ratio, 95%CI	P value
Liver transplant	1.54 (1.29-1.83)	< 0.0001
Age	1.01 (1.009-1.01)	< 0.0001
Female	0.86 (0.85-0.87)	< 0.0001
DM	1.19 (1.16-1.22)	< 0.0001
CHF	1.72 (1.69-1.76)	< 0.0001
LOS	1.05 (1.04-1.06)	< 0.0001
Renal failure	1.42 (1.39-1.44)	< 0.0001
Rheumatoid arthritis	1.26 (1.23-1.29)	< 0.0001
Chronic pulmonary disease	1.34 (1.32-1.36)	< 0.0001
Obesity	0.98 (0.97-1.01)	0.78

Multivariate logistic regression model for predictors of readmissions at 90-d for patients with history of liver transplant. CI: Confidence interval; DM: Diabetes mellitus; CHF: Chronic heart failure; LOS: Length of hospital stay.