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Study participant characteristics and clinical features stratified by vitamin D status. Demographics, comorbidities, and laboratory values are compared between deficient and sufficient groups.
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![Figure 8: Study participant characteristics and clinical features stratified by vitamin D status. Demographics, comorbidities, and laboratory values are compared between deficient and sufficient groups.]() > Source: Manuela Pennisi et al. "Decrease in Serum Vitamin D Level of Older Patients with Fatigue.." *Nutrients*, 2019. PMID: [31635199](https://pubmed.ncbi.nlm.nih.gov/31635199/)
<figure> <img src="" alt="Study participant characteristics and clinical features stratified by vitamin D status. Demographics, comorbidities, and laboratory values are compared between deficient and sufficient groups." /> <figcaption>Figure 8. Study participant characteristics and clinical features stratified by vitamin D status. Demographics, comorbidities, and laboratory values are compared between deficient and sufficient groups.<br> Source: Manuela Pennisi et al. "Decrease in Serum Vitamin D Level of Older Patients with Fatigue.." <em>Nutrients</em>, 2019. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/31635199/">31635199</a></figcaption> </figure>