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Table 2 Simulated scenarios used to compare the performance measures of different models.

From: A comparison of the statistical performance of different meta-analysis models for the synthesis of subgroup effects from randomized clinical trials

Interaction effect

-0.01

0

Number of trials

Between-trial variance in the interaction effect

Number of trials

Between-trial variance in the interaction effect

6

0

6

0

10

0

10

0

16

0

16

0

20

0

20

0

26

0

26

0

30

0

30

0

40

0

40

0

50

0

50

0

6

0.005

6

0.005

10

0.005

10

0.005

16

0.005

16

0.005

20

0.005

20

0.005

26

0.005

26

0.005

30

0.005

30

0.005

40

0.005

40

0.005

50

0.005

50

0.005

6

0.05

6

0.05

10

0.05

10

0.05

16

0.05

16

0.05

20

0.05

20

0.05

26

0.05

26

0.05

30

0.05

30

0.05

40

0.05

40

0.05

50

0.05

50

0.05

6

0.5

6

0.5

10

0.5

10

0.5

16

0.5

16

0.5

20

0.5

20

0.5

26

0.5

26

0.5

30

0.5

30

0.5

40

0.5

40

0.5

50

0.5

50

0.5