Hospitalization for total hip replacement among inpatients aged 45 and over: United States, 2000-2010.

　Total hip replacement, in which both the head of the femur and its socket are replaced, is done to restore movement to hips damaged by osteoarthritis, late-stage degenerative bone and cartilage disease, or other injuries and disease (1). The number of total hip replacements is expected to increase over the next few decades (2). National Hospital Discharge Survey (NHDS) data show trends and estimates of the number and rate of total hip replacements and average length of stay among inpatients aged 45 and over.

Physician adoption of electronic health record systems: United States, 2011.

Data from the 2011 Physician Workflow study In 2011, 55% of physicians had adopted an electronic health record (EHR) system. About three-quarters of physicians who have adopted an EHR system reported that their system meets federal "meaningful use" criteria. Eighty-five percent of physicians who have adopted an EHR system reported being somewhat (47%) or very (38%) satisfied with their system.