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Table 2 Comparative analysis of the frequency of PIP before and after intervention in the control and intervention groups

From: Using a mobile application to reduce potentially inappropriate prescribing for older Brazilian adults in primary care: a triple-blind randomised clinical trial

Study phase

General

Intervention group

Control group

RR

Pre-intervention

    

 PIP, % (n/N)

37.7 (55/146)

40.6 (28/69)

35.1 (27/77)

1.16 (0.76–1.76)

Post-intervention

    

 PIP, % (n/N)

31.7 (90/284)*

32.2 (46/143)*

31.2 (44/141)*

1.03 (0.73–1.45)

  1. PIP, potentially inappropriate prescribing; RR, relative risk
  2. *p = 0.862 in within-group analysis (χ² test) and p < 0.001 in between-group analysis (McNemar test)
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BMC Geriatrics

ISSN: 1471-2318

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