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Methods:

Data from the Mariner data set were used to identify patients who have CUD undergoing primary TKA. Patients with CUD were ratio matched 1: 5 to a comparison population by age, sex, and comorbidities, yielding 55,553 patients in the study (n= 9,260) and case-matched (n= 46,293) population. Variables compared included in-hospital length of stay, complications, and costs. A P value of less than 0.003 was considered statistically significant.

Results:

Patients with CUD were found to have longer in-hospital length of stay (3.61 versus 2.07 days, P< 0.0001), in addition to higher frequency and odds ratio (OR) of medical (28.08 versus 12.5; OR, 1.50, P< 0.0001) and prostheses-related complications (9.63 versus 5.16%; OR, 1.56, P< 0.0001). Patients with CUD also incurred significantly higher episode of care costs ($29,025.34 versus $24,258.17, P< 0.0001).

Conclusion:

With the continued legalization of …