*3.7. Publication Bias*

We used Review Manager Software (Version 5.3.5) to evaluate the publication bias. The sample size of most studies was >100 participants with two comparison arms except for Do 2011 [28], Li 1996 [22], and Millereau 2009 [27]. Funnel plots are typically symmetrical for studies with large sample sizes (Figure 7). However, for studies with small sample sizes, no study reported a negative result, which suggests that publication bias is probable in the literature reporting correction of breech presentation with moxibustion and acupuncture. *Healthcare* **2021**, *9*, x 11 of 14

**Figure 7.** Funnel plot of the studies included in the meta-analysis. **Figure 7.** Funnel plot of the studies included in the meta-analysis.
