LEGENDS:
Figure 1 | Flow diagram presenting process of collecting data included in this meta-analysis.
Figure 2 | A - Classical Type. B - Type 2. C - Type 3. D - Type 4. E - Type 5. F - Type 6. G - Type 7. H - Type 8. I - Type 9.
Table 1 | Characteristics of each study included in variations part of this meta-analysis.
Table 2 | Statistical results in variations part of this meta-analysis. AF – patients with atrial fibrillation. Non-AF – patients without atrial fibrillation. CT – computed tomography. Echo – echocardiography. MRI - magnetic resonance imaging. MRA - magnetic resonance angiography. Surgery – data established intraoperatively. Cadavers – data established during cadaver dissection. LCL – lower confidence interval. HCL – higher confidence interval. Q – Cochrain’s Q. RSPV – right superior pulmonary vein. RIPV – right inferior pulmonary vein. LSPV – left superior pulmonary vein. LIPV – left inferior pulmonary vein. RMPV – right middle pulmonary vein. LMPV – left middle pulmonary vein. LCPV – left common pulmonary vein. RCPV – right common pulmonary vein.
Table 3 | P-values obtained comparing pooled prevalence of the pulmonary veins variations in patients with and without AF. AF – atrial fibrillation. Non-AF – patients without atrial fibrillation.
Table 4 | Characteristics of each study included in diameter part of this meta-analysis.
Table 5 | Statistical results in diameter part of this meta-analysis. RSPV - right superior pulmonary vein. RIPV - right inferior pulmonary vein. LSPV - left superior pulmonary vein. LIPV - left inferior pulmonary vein. RMPV – right middle pulmonary vein. LCPV – left common pulmonary vein. CT – computed tomography. MRI - magnetic resonance imaging. MRA - magnetic resonance angiography. LCL – lower confidence interval. HCL – higher confidence interval.
Table 6 | Characteristics of each study included in ostial area part of this meta-analysis.
Table 7 | Statistical results in ostial area part of this meta-analysis. RSPV - right superior pulmonary vein. RIPV - right inferior pulmonary vein. LSPV - left superior pulmonary vein. LIPV - left inferior pulmonary vein. RMPV – right middle pulmonary vein. LCPV – left common pulmonary vein. CT – computed tomography. MRI - magnetic resonance imaging. MRA - magnetic resonance angiography. LCL – lower confidence interval. HCL – higher confidence interval.