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Table 2 Overview of the data sets used in the validation

From: Development and validation of MIX: comprehensive free software for meta-analysis of causal research data

#

Author(s)

Date

Studies

Input type

1

Lau et al. [4]

1992

33

DD – large

2

Hodnett et al. [29]

2001

5

DD – small

3

Teo et al. [30]

1991

16

DD – publication bias

4

Crowley [31]

2000

17

DD – rare events

5

Lightowler et al. [32]

2003

5

DC – small

6

Wahlbeck et al. [33]

2000

11

DC – medium large

7

Pagliaro et al. [34]

1992

19

C – odds ratio

8

Law et al. [35]

1994

10

C – risk difference

  1. The validation was done with eight data sets from meta-analysis that have been published in major peer-reviewed journals. The data sets were selected to represent a wide spectrum of potential input for meta-analysis. Abbreviations: "DD" = descriptive data for dichotomous outcomes (two-by-two table data), "DC" = descriptive data for continuous outcomes (means with their standard deviations and sample sizes), and "C" = comparative data (association measures with standards error or confidence intervals).