Improvement in prescriptions while maintaining overall health outcomes: a prospective observational study conducted in Japanese facilities for older people

Table 6 Comparison between demographics of the NDG and that of the DG before and after matching

	NDG	DG	Standardized difference
Before matching
Number of people	416	321
Sex women, %	74.52	78.82	0.097
Age years, mean ± SD	86.1 ± 7.9	86.28 ± 7.93	0.017
EQ-5D-5L scores mean ± SD	0.64 ± 0.25	0.61 ± 0.24	0.12
BI scores mean ± SD	61.9 ± 32.8	60.5 ± 31.4	0.043
MMSE scores mean ± SD	16.5 ± 8.9	17.3 ± 8.7	0.089
DBD scores mean ± SD	16.6 ± 13.7	16.4 ± 14.5	0.018
VI scores mean ± SD	7.4 ± 2.6	7.5 ± 2.5	0.024
Medication costs JPY/day, mean ± SD	434.1 ± 638.6	615.8 ± 712.8	0.27
Number of medications mean ± SD	5.7 ± 3.1	8.8 ± 3.4	0.96
After matching
Number of people	232	232
Sex women, %	78.5	77.2	0.032
Age years, mean ± SD	86.0 ± 8.1	85.7 ± 8.5	0.034
EQ-5D-5L scores mean ± SD	0.60 ± 0.26	0.60 ± 0.25	0.010
BI scores mean ± SD	58.5 ± 33.5	57.8 ± 32.9	0.021
MMSE scores mean ± SD	16.7 ± 9.6	16.7 ± 9.1	0.0055
DBD scores mean ± SD	16.2 ± 12.9	16.9 ± 14.7	0.046
VI scores mean ± SD	7.3 ± 2.8	7.3 ± 2.6	0.014
Medication costs JPY/day, mean ± SD	548.3 ± 700.3	593.1 ± 811.2	0.059
Number of medications mean ± SD	7.5 ± 2.8	7.6 ± 2.8	0.026

SD standard deviation, EQ-5D-5L EuroQoL-5D-5L-proxy, BI Barthel Index, MMSE Mini-Mental State Examination, DBD Dementia Behaviour Disturbance Scale, VI Vitality Index
NDG (not decrease group), participants who had increased or no change in the number of prescribed medicines were classified into this group
DG (decrease group), participants in whom there was a decrease in the number of prescribed medicines in March 2020 compared to that of March 2019 were classified into this group

ISSN: 1471-2318