Medicaid insurance status predicts postoperative mortality after total knee arthroplasty in state inpatient databases
Stephan R Maman,*,1 Michael H Andreae,1 Licia K Gaber-Baylis,2 Zachary A Turnbull,3 and Robert S White3Knee
Aim:
Medicaid versus private primary insurance status may predict in-hospital mortality and morbidity after total knee arthroplasty (TKA).
Materials & methods:
Regression models were used to test our hypothesis in patients in the State Inpatient Database (SID) from five states who underwent primary TKA from January 2007 to December 2014.
Results:
Medicaid patients had greater odds of in-hospital mortality (odds ratio [OR]: 1.73; 95% CI: 1.01–2.95), greater odds of any postoperative complications (OR: 1.25; 95% CI: 1.18–1.33), experience longer lengths of stay (OR: 1.09; 95% CI: 1.08–1.10) and higher total charges (OR: 1.03; 95% CI: 1.02–1.04).
Conclusion:
Medicaid insurance status is associated with higher in-hospital mortality and morbidity in patients after TKA compared with private insurance.
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