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Table 5 Results of the comparison between the NIFG and IFG in March 2020

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

  NIFG IFG t-value p-value
Number of people 232 455   
 EQ-5D-5L scores
mean ± SD
0.66 ± 0.50 0.64 ± 0.46 0.48 0.63
 BI scores
mean ± SD
56.6 ± 34.7 54.8 ± 33.9 0.62 0.54
 MMSE scores
mean ± SD
14.7 ± 10.5 14.4 ± 9.4 0.25 0.80
 DBD scores
mean ± SD
16.7 ± 12.9 17.0 ± 13.4 −0.21 0.83
 VI scores
mean ± SD
7.2 ± 2.9 7.1 ± 2.9 0.41 0.68
 Medication costs
JPY/day, mean ± SD
466.9 ± 393.3 474.7 ± 566.9 − 0.16 0.87
 Number of medications
mean ± SD
6.9 ± 3.0 6.5 ± 3.3 1.38 0.17
  1. 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
  2. NIFG (not implemented facilities group), participants who were not in facilities where proposals for improving inappropriate prescriptions were implemented by the end of March 2020 were classified into this group
  3. IFG (implemented facilities group), participants who were in facilities where proposals for improving inappropriate prescriptions were implemented by the end of March 2020 were classified into this group