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Table 1 Characteristics of studies included in the systematic review (n = 172)

From: Determinants of the de-implementation of low-value care: a multi-method study

Study characteristic

Number of included studies (%)

Year of publication

 1990–1999

1 (1)

 2000–2009

27 (16)

 2010–2016

144 (84)

Country

 North America

124 (72)

 Europe

29 (17)

 Australasia

18 (10)

 Other

1 (1)

Study design

 Non-original research

96 (56)

  Editorial, letter-to-the-editor, website or news item

64 (37)

  Literature review

29 (17)

  Guideline

3 (2)

 Original research

76 (44)

  Cohorta

25 (15)

  Quasi-experimentalb

18 (10)

  Qualitative

7 (4)

  Mixed methods

6 (3)

  Knowledge synthesis

3 (2)

  Predictive modelling

3 (2)

  Cross-sectional

3 (2)

  Otherc

11 (6)

Focus of article

 Identify low-value practices

86 (50)

 Facilitate the de-implementation process

92 (53)

 Evaluate de-implementation outcomes

82 (48)

 Sustain de-implementation

18 (10)

Targeted low-value practice

 Therapeutic intervention(s)

42 (24)

 Diagnostic intervention(s)

33 (19)

 Both

15 (9)

 Did not specify

82 (48)

Reported barrier(s) to de-implementation

138 (80)

Reported facilitator(s) to de-implementation

105 (61)

  1. aIncludes 8 studies where the cohort consisted of citations identified through electronic searches of the literature
  2. bIncludes interrupted time series, before-and-after, and non-randomized controlled trial
  3. cIncludes two consensus studies, two case reports, two surveys, two study protocols, one case-control study, one stakeholder engagement, one randomized clinical trial