Systems approach to health service design, delivery and improvement: a systematic review and meta-analysis

Alexander Komashie*, James Ward, Tom Bashford, Terry Dickerson, Gulsum Kubra Kaya, Yuanyuan Liu, Isla Kuhn, Aslı Günay, Katharina Kohler, Nicholas Buddy, Eugenia O'Kelly, Joseph Masters, Catherine Meads, P. John Clarkson

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

34 Citations (Scopus)
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Abstract

Objectives: To systematically review the evidence base for a systems approach to healthcare design, delivery or improvement.

Design: Systematic review with meta-analyses.

Methods: Included were studies in any patients, in any healthcare setting where a systems approach was compared with usual care which reported quantitative results for any outcomes for both groups. We searched Medline, Embase, HMIC, Health Business Elite, Web of Science, Scopus, PsycINFO and CINAHL from inception to 28 May 2019 for relevant studies. These were screened, and data extracted independently and in duplicate. Study outcomes were stratified by study design and whether they reported patient and/or service outcomes. Meta-analysis was conducted with Revman software V.5.3 using ORs—heterogeneity was assessed using I2 statistics.

Results: Of 11 405 records 35 studies were included, of which 28 (80%) were before-and-after design only, five were both before-and-after and concurrent design, and two were randomised controlled trials (RCTs). There was heterogeneity of interventions and wide variation in reported outcome types. Almost all results showed health improvement where systems approaches were used. Study quality varied widely. Exploratory meta-analysis of these suggested favourable effects on both patient outcomes (n=14, OR=0.52 (95% CI 0.38 to 0.71) I2=91%), and service outcomes (n=18, OR=0.40 (95% CI 0.31 to 0.52) I2=97%).

Conclusions This study suggests that a systems approaches to healthcare design and delivery results in a statistically significant improvement to both patient and service outcomes. However, better quality studies, particularly RCTs are needed.
Original languageEnglish
Number of pages13
JournalBMJ open
Volume11
Issue number1
DOIs
Publication statusPublished - 2021
Externally publishedYes

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