Longitudinal Changes in the Government-Certified Index Stage and Requisite Costs for Long-Term Care Insurance System among the Community-Dwelling Demented Elderly in Japan

Table 1

Comparison between subjects who received payment and those who did not.

	No payment	Payment	𝑃 value
	(𝑁=13)	(𝑁=196)
Mean age (at 2000)	86.8±8.4	84.4±7.0	0.233 (𝑡 test)
Sex (M : F)	8 : 5	49 : 147	0.004 (𝜒^2 test)
CDR grade (1 : 2 : 3 at 2000)	1 : 8 : 4	77∶64∶55	0.044 (𝜒^2 test)
MMSE score (at 2000)	16.7±6.6	15.7±5.0	0.601 (𝑡 test)
N-ADL score (at 2000)	25.5±15.1	31.8±13.0	0.141 (𝑡 test)