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Table 2 Decrease in the number of older patients prescribed high doses of BDZ + per quarter per physician and decrease in BDZ + prescribed (DDD) to older patients per quarter per physician (Mean ± standard error) over one year

From: Reducing prescribing of benzodiazepines in older adults: a comparison of four physician-focused interventions by a medical regulatory authority

  Control Letter Pharmacist Physician
Decrease in number patients 0.42 ± 0.1 (44%) ** 0.30 ± 0.1 (50%)** 0.27 ± 0.2 (43%)* 0.32 ± 0.2 (54%)**
Decrease in BDZ + prescribed 0.11 ± 0.10 (10%)* 0.18 ± 0.1 (16%)** 0.12 ± 0.1 (11%)* 0.13 ± 0.05 (13%)**
  1. DDD Defined daily dose
  2. * statistically significant using paired t-test and Wilcoxin signed-rank test at < 0.05 level for change within groups, between group differences were not significant using MANCOVA
  3. ** statistically significant using paired t-test and Wilcoxin signed-rank test at < 0.001 level for change within groups, between group differences were not significant using MANCOVA