Figure 4

![Figure 4: Forest plot or pooled analysis of vitamin D deficiency prevalence in scarring versus non-scarring alopecia populations.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11479915/bin/fnut-11-1479337-g004.jpg)

> Source: Tanat Yongpisarn et al. "Vitamin D deficiency in non-scarring and scarring alopecias: a systematic review." *Frontiers in nutrition*, 2024. PMID: [39416654](https://pubmed.ncbi.nlm.nih.gov/39416654/)

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  <img src="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11479915/bin/fnut-11-1479337-g004.jpg" alt="Forest plot or pooled analysis of vitamin D deficiency prevalence in scarring versus non-scarring alopecia populations." />
  <figcaption>Figure 4. Forest plot or pooled analysis of vitamin D deficiency prevalence in scarring versus non-scarring alopecia populations.<br>  Source: Tanat Yongpisarn et al. "Vitamin D deficiency in non-scarring and scarring alopecias: a systematic review." <em>Frontiers in nutrition</em>, 2024. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/39416654/">39416654</a></figcaption>
</figure>