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Table 2 Characteristics of included studies (n = 27)

From: Economic impact of clinical decision support interventions based on electronic health records

Category Number of studies (% of total, rounded)
Country
    United States 24 (89%) [5, 13,14,15,16,17,18, 20, 22, 23, 25,26,27,28,29,30,31,32,33,34,35,36,37,38]
    Canada 3 (11%) [19, 21, 24]
Year published
    2019 6 (22%) [13,14,15,16,17,18]
    2018 6 (22%) [5, 19,20,21,22,23]
    2017 5 (19%) [24,25,26,27,28]
    2016 2 (7%) [29, 30]
    2015 3 (11%) [31, 33, 34]
    2014 5 (19%) [32, 35,36,37,38]
Study design
   Cluster randomized trial 4 (15%) [5, 19, 26, 33]
    Cross-sectional 1 (4%) [28]
    Retrospective 9 (33%) [15, 17, 18, 20, 21, 27, 32, 36, 38]
    Quasi-experimental 5 (19%) [14, 16, 22, 24, 35]
    Comparative 1 (4%) [31]
    Observational 1 (4%) [23]
    Pre-post-intervention 6 (22%) [13, 25, 29, 30, 34, 37]
Setting
    Inpatient 14 (51%) [14, 16, 17, 20, 22,23,24,25, 27, 31, 32, 34, 36, 38]
    Outpatient 8 (30%) [5, 13, 15, 19, 26, 30, 33, 34]
    Inpatient & outpatient 4 (15%) [21, 28, 29, 37]
    Emergency department 1 (4%) [18]
Type of economic evaluation
    Basic cost calculation 23 (85%) [13,14,15,16,17,18,19,20,21,22,23,24,25, 27,28,29,30,31,32, 34, 36,37,38]
    Model approach 4 (15%) [5, 26, 33, 35]