Table 5 Meta-regressions of basic characteristics of RCTs and mean difference of Treadmill Test results

Publication year

0.1781444

0.4136524

0.43

0.696

−1.138282

1.494571

Sample size

0.0122943

0.1209633

0.10

0.925

−0.3726648

0.3972535

Medication course

−0.0931837

0.0898212

−1.04

0.376

−0.3790348

0.1926673

Type of interventions

−4.132576

2.23568

−1.85

0.162

−11.24751

2.982355

_cons

−352.001

831.7356

−0.42

0.701

−2998.955

2294.953