Table 3.

Average payments for each GCI stage for both AD and VaD groups per month.

	AD (N = 105)	VaD (N = 45)	P value
GCI 1	7.2 ± 27.4	16.7 ± 48.3	0.129
GCI 2	34.3 ± 64.4	43.4 ± 69.6	0.436
GCI 3	67.1 ± 83.6	67.6 ± 91.7	0.969
GCI 4	103.7 ± 105.7	121.2 ± 124.2	0.379
GCI 5	94.7 ± 118.5	140.8 ± 113.6	0.037
Total	113.4 ± 76.8	141.1 ± 97.9	0.047

(thousand JPY/month).

AD: Alzheimer's disease; VaD: vascular dementia.

Mean duration of both patient groups for each GCI stage was summarized in Figure 2.