Disparities in the provision of regional anesthesia and analgesia in total joint arthroplasty: The role of patient and hospital level factors.

• Significant racial difference exists in the provision of regional anesthesia and analgesia. • Hospitals with a low volume of joint arthroplasties tended to serve a relative larger proportion of minority patients. • Our data suggest a potential role of hospital-specific factors as targets to reduce these disparities. [ABSTRACT FROM AUTHOR]