The Model preparation on leading causes for care and evaluation of long-term care services using care-level maintenance period.

Maintenance period was calculated at an average level of care required of newly certified by the long-term care insurance system. And care level maintenance period was calculated cerebrovascular disease, dementia and musculoskeletal disorders. We compared the maintenance period by the care service use. Maintenance period of musculoskeletal disorders requiring support and care level 1 was long. Maintenance period of cerebrovascular disease requiring care level 2-4 was long. When there was dementia, a maintenance period was short. The use of care services were longer maintenance period by day care services, day rehabilitation and welfare tool.