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Table 1 Principal characteristics of included articles using QA tools in vitro SRs/MAs

From: Quality assessment tools used in systematic reviews of in vitro studies: A systematic review

Characteristics

Categorization

All studies (N = 244)

Year of publication

2007–2014

24 (9.8%)

2015–2020

220 (90.2%)

Region

Europe

99 (40.6%)

South-America

64 (26.2%)

Asia

33 (13.5%)

Middle East

26 (10.7%)

North America

14 (5.7%)

Australia

5 (2%)

Africa

3 (1.2%)

Study topic

Dentistry

125 (51.2%)

Bioactivity

53 (21.7%)

Biology

31 (12.7%)

Methodology

13 (5.3%)

Materials

9 (3.7%)

Pharmacology

5 (2%)

Diagnosis

4 (1.6%)

Toxicity

4 (1.6%)

Reporting QA used

PRISMA

143 (58.6%)

N

93 (38.1%)

PRISMA and AMSTAR

3 (1.3%)

Cochrane Handbook for Systematic Reviews of Interventions

2 (0.8%)

STROBE

1 (0.4%)

QUOROM

1 (0.4%)

OHAT

1 (0.4%)

QA used

Y

126 (51.6%)

N

118 (48.4%)

Conducting meta-analysis

Y

71 (29.1%)

N

173 (70.9%)

QA tool used

NR

120 (49.2%)

Following previous description of Onofre et al.

29 (11.9%)

Developed by authors

28 (11.5%)

Cochrane Risk of Bias tool

12 (4.9%)

CONSORT

8 (3.3%)

ToxRTool

5 (2%)

OHAT

4 (1.6%)

Joanna Briggs Institute Clinical Appraisal Checklist

4 (1.6%)

MINORS

4 (1.6%)

QUADAS-2

4 (1.6%)

GRADE

3 (1.2%)

NOS

3 (1.2%)

Following previous description of Onofre et al. and Montagner et al.

2 (0.8%)

STROBE

2 (0.8%)

Following the previous description of Bader et al

1 (0.4%)

Following previous description of Sackett et al

1 (0.4%)

JADAD

1 (0.4%)

SciRAP method

1 (0.4%)

CASP and MINORS

1 (0.4%)

Timmer’s Analysis Tool

1 (0.4%)

ARRIVE

1 (0.4%)

QUADAS

1 (0.4%)

Modifying Quality Assessment Tool for Studies with Diverse Designs (QATSDD)

1 (0.4%)

Referencing CRH and the EBM Evidence Pyramid

1 (0.4%)

Nature Publication Quality Improvement Project (NPQIP) study

1 (0.4%)

Standard Quality Assessment Criteria for Evaluating Primary Research Papers from a Variety of Fields

1 (0.4%)

Following previous description of Samuel et al.

1 (0.4%)

SYCLE

1 (0.4%)

World Cancer Research Fund/ University of Bristol for cell line

1 (0.4%)

CRIS guidelines

1 (0.4%)

Following Joanna Briggs Institute Clinical Appraisal Checklist for Experimental Studies

1 (0.4%)

PRISMA

1 (0.4%)

Downs and Black

1 (0.4%)

  1. Abbreviations: N: No; NR: Not Report; Y: Yes; PRIMA: Preferred Reporting Items for Systematic Reviews and Meta-Analyses; AMSTAR: Assessment of Multiple Systematic Reviews; QUOROM: Quality of Reporting of Meta-analyses; QATSDD: Quality Assessment Tool for Studies with Diverse Designs;
  2. The summary statistics are absolute count (%) for categorical variables