Table 1. Characteristics of studies included in this overview.
| Author (year) | Study design | Number of studies included | Interventions | Setting | AMSTAR score |
|---|---|---|---|---|---|
| Alldred et al. 16 (2016) | Randomized controlled clinical trial | 12 | Educational Interventions Medication review Computerized systems |
Long-term care unit | 8/11 |
| Castelino et al. 19 (2009) | Randomized controlled clinical trial | 12 | Pharmaceutical intervention Medication review |
Hospital | 5/11 |
| Cooper et al. 2 (2015) | Randomized controlled clinical trial | 12 | Pharmaceutical intervention Medication review |
Hospital | 9/11 |
| Forsetlund et al. 5 (2011) | Randomized controlled clinical trial | 20 | Educational Intervention Medication review |
Nursing home | 7/11 |
| Gutierrez Valencia et al. 7 (2016) | Prospective studies (not necessarily controlled and randomized) with interventions | 18 | Pharmaceutical interventions Educational Interventions Computerized systems Medication review |
Hospital | 7/11 |
| Iankowitz et al. 46 (2015) | Randomized controlled clinical trial, quasi-experimental study | 5 | Computerized systems | Hospital | 9/11 |
| Johansson et al. 27 (2016) | Randomized controlled clinical trial, randomized controlled trial, non-randomized controlled clinical trial, cohort study, case-control study | 25 | Pharmaceutical interventions Medication review |
Hospital | 3/11 |
| Kaur et al. 20 (2009) | Randomized controlled clinical trial, prospective study, cohort study, survey, retrospective and prospective case series | 24 | Pharmaceutical interventions Educational Interventions Computerized systems Medication review Other interventions |
Hospital | 6/11 |
| Loganathan et al. 28 (2011) | Randomized controlled clinical trial and non-randomized controlled clinical trial | 16 | Pharmaceutical interventions Educational Interventions Computerized systems Medication review |
Nursing home | 8/11 |
| Loh et al. 29 (2016) | Randomized controlled clinical trial | 25 | Medication review | Community | 3/11 |
| Maeda 24 (2009) | Randomized controlled trials, controlled clinical trials | 28 | Medication review | Community Hospital Nursing home |
5/11 |
| Marasinghe 45 (2015) | Randomized controlled clinical trial, cohort studies, retrospective and prospective studies | 7 | Computerized systems | Long-term care unit | 6/11 |
| Michelazzo et al. 21 (2017) | Case series | 19 | Pharmaceutical intervention Educational Intervention Medication review |
Hospital Community Nursing home |
3/11 |
| Olaniyan et al. 47 (2015) | Retrospective non-randomized study, Retrospective randomized study | 68 | Pharmaceutical intervention Computerized systems |
Primary care | 9/11 |
| Page et al. 52 (2016) | Randomized controlled clinical trial | 116 | Other interventions | Hospital | 10/11 |
| Patterson et al. 17 (2014) | Randomized controlled clinical trial, non-randomized controlled clinical trials, controlled before-after studies, interrupted time series | 10 | Pharmaceutical interventions Computerized systems |
Hospital | 7/11 |
| Riordan et al. 22 (2016) | Randomized controlled clinical trial, quasi-randomized controlled clinical trial, controlled before-after studies, interrupted time series | 5 | Pharmaceutical interventions Medication review |
Primary care | 3/11 |
| Rollason e Vogt 25 (2003) | Randomized controlled clinical trial | 14 | Pharmaceutical interventions Medication review |
Hospital | 3/11 |
| Shade et al. 48 (2014) | Randomized controlled clinical trial and non-randomized clinical trial | 67 | Computerized systems | Community | 7/11 |
| Thiruchelvam et al. 23 (2017) | Randomized controlled clinical trial and observational studies | 22 | Medication review | Hospital | 5/11 |
| Tjia et al. 33 (2013) | Randomized controlled clinical trial and non-randomized clinical trial, before-after studies, case series | 36 | Medication review | Hospital Nursing home |
3/11 |
| Verrue et al. 30 (2009) | Controlled trials (randomized or non-randomized) | 8 | Pharmaceutical interventions Medication review |
Nursing home | 3/11 |
| Walsh et al. 35 (2016) | Controlled trials (randomized or non-randomized) | 4 | Pharmaceutical interventions Medication review |
Hospital | 7/11 |
| Yourman et al. 50 (2008) | Randomized controlled clinical trial | 10 | Computerized systems | Hospital | 3/11 |
AMSTAR: A MeaSurement Tool to Assess systematic Reviews