Table 3 Meta-regression of heterogeneity in included studies
Variables | r | P value | RDOR | 95% CI |
|---|---|---|---|---|
Number of patients included | 0.164 | 0.792 | 1.18 | 0.23–5.96 |
Country | 1.352 | 0.158 | 3.87 | 0.44–33.65 |
Study design | 1.439 | 0.116 | 4.22 | 0.57–30.96 |
Imaging modality | −0.616 | 0.063 | 0.54 | 0.28–1.05 |
Machine learning | −0.114 | 0.843 | 0.89 | 0.20–3.99 |