(A) Hip arthroplasty procedures (May 2010 – to September 2013) | Comparison states (n=131 787) | Intervention states (n=125 070) | Directly participating hospitals in intervention states (n=62 595) |
Age, mean (SD) | 76.3 (10.1) | 75.6 (10.2) | 75.7 (10.3) |
Female (%) | 65.5 | 65.1 | 65.3 |
Comorbidities | |||
Congestive heart failure (%) | 9.8 | 8.9 | 9.2 |
Diabetes (uncomplicated and complicated), % | 18.9 | 18.5 | 19.0 |
Obesity (%) | 9.3 | 9.1 | 8.9 |
Peripheral vascular disease (%) | 4.5 | 4.3 | 4.2 |
Renal failure (%) | 10.6 | 9.8 | 9.8 |
Length of stay for surgical admission, mean (SD) | 4.4 (3.0) | 4.5 (3.7) | 4.4 (3.7) |