evidencegaps
Primary study · included by 1 review

Folate and vitamin B12 levels in patients with oral lichen planus, stomatitis or glossitis.

Thongprasom 2001 · Thongprasom K, Youngnak P, Aneksuk V · The Southeast Asian journal of tropical medicine and public health · 2001

Included by

Relationship Between Anemia and Oral Lichen Planus: New Therapeutic Perspectives Based on Anemia Management-A Systematic Review and Meta-Analysis.
Non-Cochrane · aetiology · 2026 · cited as Thongprasom 2001 · Table 1; Figures 3-8
Outcome this study informsPooled effectEvidenceCertainty
Serum iron concentration
Presence of OLP vs Healthy adults without OLP
MD -17.53 [-28.18, -6.88]3 studies · 1363 participantsGRADE not reported
Serum vitamin B12 concentration
Presence of OLP vs Healthy adults without OLP
MD -91.38 [-218.22, 35.47]5 studies · 1877 participantsGRADE not reported
Serum folic acid concentration
Presence of OLP vs Healthy adults without OLP
MD -4.28 [-7.83, -0.74]4 studies · 1910 participantsGRADE not reported

1 including review in total.