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Table 5 Predictors of PRESS, PRISMA, and IOM scores

From: An assessment of the quality of current clinical meta-analyses

 

Dependent variable

 

PRESS

PRISMA

IOM

Librarian Involvement

12.56**

3.58

3.99**

 

(2.87, 22.25)

(−0.66, 7.82)

(0.13, 7.85)

Field - Preventive Medicine and Epidemiology

−1.54

Reference

Reference

 

(−18.10, 15.03)

 

Field - Cardiovascular

−11.28*

0.42

−0.84

 

(−24.10, 1.55)

(−5.46, 6.29)

(−6.18, 4.51)

Field - Gastroenterology

−10.03

1.99

0.67

 

(−22.85, 2.79)

(−4.48, 8.47)

(−5.21, 6.56)

Field - Psychiatry

−1.81

2.42

2.45

 

(−18.80, 15.18)

(−5.38, 10.22)

(−4.64, 9.55)

Field - Rheumatology

Reference

1.49

(−5.89, 8.87)

2.21

 

(−4.50, 8.92)

Compliance with journal guidelines

−0.40

3.07***

4.34***

 

(−5.58, 4.77)

(0.82, 5.32)

(2.29, 6.38)

Journal Impact Factor (2017 Clarivate)

−0.15

− 0.06

− 0.10

 

(− 0.54, 0.23)

(− 0.23, 0.12)

(− 0.26, 0.05)

Meta-analysis of randomized controlled trials

−3.01

0.73

1.95

 

(−12.75, 6.73)

(−3.46, 4.92)

(−1.86, 5.76)

Network meta-analysis

−3.24

4.72

2.36

 

(−17.34, 10.86)

(−1.32, 10.77)

(− 3.13, 7.86)

Number of included studies

0.02

−0.002

0.002

 

(−0.05, 0.09)

(−0.03, 0.03)

(− 0.03, 0.03)

Constant

71.23***

82.03***

69.49***

 

(55.00, 87.47)

(72.23, 91.83)

(60.58, 78.40)

Observations

95

100

100

R2

0.17

0.13

0.24

Adjusted R2

0.07

0.04

0.16

Residual Std. Error (df = 89)

18.35 (df = 84)

8.26

7.52

F Statistic (df = 10; 89)

1.74* (df = 10; 84)

1.39

2.86***

  1. IOM Institute of Medicine, PRESS Peer Review of Electronic Search Strategies, PRISMA Preferred Reporting Items for Systematic Reviews and Meta-Analyses
  2. *p < 0.1; **p < 0.05; ***p < 0.01,