To analyze possible factors associated with prolonged length of stay (LOS) in hip fracture patients in Japan, such as the availability of beds in medical and nursing care facilities at the community level, as well as patient factors, clinical factors and hospital structural characteristics.

To investigate the associations of hospital competition and number of cardiologists per hospital (indicating the decentralization and centralization of healthcare resources, respectively) with 30-day in-hospital mortality, healthcare spending, and length of stay (LOS) among patients with acute...