The degree of independence in daily activities
Rank J	(living independently) A person who has a physical disability (due to sickness aftereffects) but is almost independent of daily life and can go out alone.
	1. Go out using transportation
	2. Go out to the neighborhood
Rank A	(pre-bedridden) People who can do their daily routine indoors by themselves, such as eating, toilets, and changing clothes, and need help from a caregiver when going out to the neighborhood.
	1. Go out with assistance and live mostly out of bed during the day
	2. You rarely go out and sleep or wake up during the day
Rank B	(bedridden) People who spend most of their day in bed and need help from a caregiver in any of their meals, toilets, or changing clothes.
	1. Transfer to a wheelchair and eat and excrete away from bed
	2. Transfer to a wheelchair with assistance
Rank C	(bedridden) A person with a higher degree of disability than Rank B and who needs help from a caregiver for eating, toilets, and changing clothes.
	1. Roll over by yourself
	2. I can’t turn over by myself
The degree of independence in cognitive function
Rank I	People who have cognitive symptoms but who are almost independent of their daily lives both at home and socially.
Rank II	A person who has some behaviors and communication difficulties that interfere with daily life, but who can stand on their own if someone is watching over them.
Rank IIa	Those who have the above condition II outdoors. Lost way, mistakes in shopping and money management, etc.
Rank IIb	Someone in the house who has the above condition II. Drugs cannot be managed, visitors cannot respond, etc.
Rank III	People who require nursing care due to symptoms such as behavior that interferes with daily life or difficult communication.
Rank IIIa	Those who are mainly in the above state during the daytime. Can’t eat/toilet/change clothes well, put things in mouth, wander, incontinence, strange voice, etc.
Rank IIIb	People who are in state III above at night. Symptoms are the same as IIIa.
Rank IV	People who have frequent behaviors that interfere with daily life, communication is difficult, and need constant care. Symptoms are the same as III.
Rank M	Persons with significant mental symptoms or severe physical illness who require specialized medical care. Delirium and excitement, problematic behaviors resulting from them, etc.