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Table 1 Overview of included studies

From: How and under what circumstances do quality improvement collaboratives lead to better outcomes? A systematic review

No.

Author (ref)

Year

Country

Collaborative name

Topic

Study aim

Health setting

No. facilities (individuals) in study

Study design

Published

Focus

1

Amarasingham et al.

2007

USA

Keystone Intensive Care Units Project

Central line associated bloodstream infection

Assess correlation between automation and usability of clinical information systems and clinical outcomes.

Intensive care unit

19 (19)

Uncontrolled before-after

Peer-reviewed

Context

2

Ament et al.

2014

Netherlands

ERAS (Enhanced Recovery after surgery)

Colonic surgery

Explore strategies for sustaining ERAS

Hospitals

10 (18)

Qualitative

Peer-reviewed

Mechanism

3

Baker et al.

2018

Tanzania

EQUIP (Expanded Quality Management using Information Power)

Maternal and newborn health

Investigate how different components of a QIC were understood and experienced by health workers, and contributed to its mechanisms of effect

District hospital, health centre and dispensaries

13(16)

Qualitative

Peer-reviewed

Mechanism

4

Benn et al.

2009

UK

Safer Patient Initiative

Patient safety

Understand participants’ perception of impact of the pilot programme

NHS Health Trusts

4

Mixed methods: cross-sectional and qualitative

Peer-reviewed

Mechanism and implementation

5

Benn et al.

2012

UK

Safer Patient Initiative

Patient safety

Analyse impact of intervention of safety culture and climate and role of contextual and programme factors in changes.

NHS Health Trusts

19 [2 merged in 1] (284)

Uncontrolled before-after

Peer-reviewed

Context and implementation

6

Burnett et al.

2009

UK

Safer Patient Initiative

Patient safety

Analyse perceptions of organisational readiness and its relationship with intervention impact

NHS Health Trusts

4 (41)

Mixed methods: cross-sectional and qualitative

Peer-reviewed

Context

7

Carlhed et al.

2006

Sweden

Quality Improvement in Coronary Care

Acute myocardial infarction (AMI)

Evaluate effect of QIC on adherence to AMI guidelines

Hospitals

19 + 19 controls

Non-randomised controlled before and after

Peer-reviewed

Context

8

Carter et al.

2014

UK

Stroke 90:10

Stroke

Explain processes and outcomes of the QIC intervention

Hospitals

11(32)

Qualitative

Peer-reviewed

Mechanism

9

Colbourn et al.

2013

Malawi

MaiKhanda

Maternal and newborn health

Evaluate impact and processes of change

Hospitals and health centres

9 and 29

Mixed methods: cross-sectional and qualitative

Grey

Context, mechanism and implementation

10

Catsambas et al.

2008

LMICs various

35 collaboratives funded by USAID between 2002 - 2007

Various: Maternal and newborn health, nutrition, HIV/AIDS

Document and evaluate the implementation and results of the Quality Assurance Project

Hospitals and health centres

N/A

External review - multiple projects

Grey

Context, mechanism & implementation

11

Dainty et al.

2013

Canada

Ontario Intensive Care Units Best Practice Project

Evidence-based care practices in Intensive Care Units

Understand staff perspectives on QIC and hypothesise theoretical constructs that might explain the effect of collaboration

Hospitals

12 (32)

Qualitative

Peer-reviewed

Mechanism

12

Dixon-Woods et al.

2011

USA

Keystone ICU Project

Central line associated bloodstream infection

Develop an ex-post theory of the project

Intensive Care Units

n/a

Case description

Peer-reviewed

Mechanism

13

Duckers et al.

2009

Netherlands

Better Faster

Patient safety

Test whether consensus on perceived leadership support among physicians influences the relation between physician’s perception and participation.

Hospitals

8 (864)

Cross-sectional

Peer-reviewed

Context

14

Duckers M. et al.

2009

Netherlands

Better Faster

Patient safety

Assess relations between conditions for successful implementation, applied changes, perceived success and actual outcomes.

Hospitals

23 (237)

Cross-sectional

Peer-reviewed

Context, mechanism and implementation

15

Duckers M. et al.

2011

Netherlands

Better Faster

Patient safety

Describe how the first group of hospitals sustained and disseminated improvements

Hospitals

8 (8)

Qualitative

Peer-reviewed

Mechanism

16

Duckers M. et al.

2014

Netherlands

Better Faster

Patient safety

Test whether perceived average project success at QIC level explains dissemination of projects.

Hospitals

16 (84 out of 148)

Cross-sectional

Peer-reviewed

Mechanism

17

Feldman-Winter et al.

2016

USA

Best Fed Beginnings

Breastfeeding

Describe collaborative and present lessons learned from implementation.

Hospitals

89(89)

Case description

Peer-reviewed

Mechanism and implementation

18

Horbar et al.

2003

USA

Vermont Oxford Network Newborn Intensive Care Units /Q 2000

Quality and safety of neonatal intensive care

Describe collaborative and present implementation strategy.

Hospitals

 

Case description

Peer-reviewed

Context, mechanism and implementation

19

Jaribu et al.

2016

Tanzania

INSIST

Maternal and newborn health

Describe health workers’ perceptions of a QIC intervention

Health centres and dispensaries

11 (15)

Qualitative

Peer-reviewed

Mechanism

20

Linnander et al.

2016

Ethiopia

Ethiopian Hospital Alliance for Quality

Patient satisfaction with hospital care

Analyse impact of QIC

Hospitals

68

Cross-sectional and uncontrolled before - after

Peer-reviewed

Context and implementation

21

Marquez et al.

2014

38 LMICs

Health Care Improvement Project

various

Document and evaluate the implementation and results of the Health Care Improvement project

various

N/A

External review - multiple projects

Grey

Context, mechanism and implementation

22

McInnes et al.

2007

USA

HIV collaborative under HRSA/HAB

HIV/AIDS

Assess whether participation in QIC changes care processes, systems and organisation of outpatient HIV clinics

HIV clinics

52 (104) Intervention and 35 (90) Controls from non QIC sites.

Non-randomised controlled before and after

Peer-reviewed

Context

23

Mills and Weeks

2004

USA

5 Veteran Health Association collaboratives between 1999 - 2001

Various

To identify the organisational, interpersonal and systemic characteristics of successful improvement teams

Hospitals

134 medical QITs in 5 BTS collaboratives

Uncontrolled before – after

Peer-reviewed

Context and implementation

24

Nembhard

2008

USA

4 collaboratives supported by IHI

Efficiency in primary care; complications in ICUs; reducing adverse drug events; reducing surgical site infections

Understand participants’ views of the relative helpfulness of various features of QICs

Hospitals

53 teams (217)

Mixed methods: cross-sectional and qualitative

Peer-reviewed

Mechanism

25

Nembhard

2012

USA

4 collaboratives supported by IHI

as above

Study the use of interorganizational learning activities as an explanation of mixed performance among collaborative participants

Hospitals

52 teams (48 hospitals)

Cross-sectional

Peer-reviewed

Mechanism

26

Osibo et al.

2017

Nigeria

Lafiyan Jikin Mata

HIV/AIDS

Discuss lessons learned from QIC implementation and analyse effect of QIC activities on process indicators.

Hospitals and PHC centres

32 (16 intervention + 16 controls)

Mixed methods: UBA and qualitative

Peer-reviewed

Mechanism and implementation

27

Parand et al.

2012

UK

Safer Patient Initiative

Patient safety

Identify strategies to facilitate the sustainability of the QIC

NHS Health Trusts

20 (35)

Qualitative

Peer-reviewed

Mechanism and implementation

28

Pinto et al.

2011

UK

Safer Patient Initiative

Patient safety

Evaluate influence of various factors on the perceived impact of QIC

NHS Health Trusts

20 (635)

Cross-sectional

Peer-reviewed

Mechanism

29

Rahimzai et al.

2014

Afghanistan

Maternal and Newborn Health Facility Demonstration Improvement Collaborative

Maternal and newborn health

Document implementation and describe results of a QIC project

Provincial hospitals, health centres and posts in provinces + large referral hospitals in Kabul

Participating facilities in “Demonstration wave”: 25 in provinces and 6 in Kabul: Wave 1–2: additional 6 facilities.

Case description

Peer-reviewed

Mechanism and implementation

30

Schouten et al.

2008

Netherlands

Stroke Collaborative I

Stroke

Explore effects of QIC and determinants of success

Stroke services

23

Cross-sectional and before - after with reference group

Peer-reviewed

Context

31

Sodzi-Tettey et al.

2013

Ghana

Project Fives Alive!

Maternal and newborn health

Document implementation, describe results and lessons learned of a QIC project

Hospitals (district and regional) and health centres

N/A

Case description

Grey

Context, mechanism and implementation

32

Stone et al.

2016

USA

California Perinatal Quality Care Collaborative

Breastfeeding

Assess factors that that affect sustained improvement following participation.

NICUs

6 (n/s)

Qualitative

Peer-reviewed

Mechanism