Table 5.
Comparison of studies by various authors depicting the role of trace elements in oral submucous fibrosis
| Authors | IDA | Hb | RCI | Iron | Ferritin | Folic acid | Vitamin B12 | Vitamin C |
|---|---|---|---|---|---|---|---|---|
| Present study | 92.5% | Decreased | Decreased | Decreased | NA | NA | Decreased | NA |
| Wahi et al.[6] | NA | NA | NA | NA | NA | NA | Decreased | Decreased |
| Bharadwaj et al.[7] | NA | NA | NA | Lowest in OSMF group | NA | NA | NA | NA |
| Ramanathan[9] | 77% | NA | NA | NA | NA | Decreased | NA | NA |
| Ganapathy et al.[10] | NA | Decreased | NA | Decreased | NA | NA | NA | NA |
| Wang et al.[18] | NA | NA | NA | NA | NA | Decreased | Decreased | NA |
| Tadakmadla[19] | NA | NA | NA | Decreased | NA | NA | NA | NA |
| Anuradha CD[20] | NA | NA | NA | Decreased | NA | NA | NA | Decreased |
| Thakur and Guttikonda[22] | NA | Decreased | NA | Decreased | Decreased | NA | NA | NA |
| Karthik et al.[23] | NA | Decreased | NA | Decreased | NA | NA | NA | NA |
| Lavina et al.[25] | NA | Decreased | NA | NA | NA | NA | NA | NA |
| Rupak et al.[26] | NA | Decreased | NA | NA | NA | NA | NA | NA |
NA: Not assessed, IDA: Iron deficiency anemia, OSMF: Oral submucous fibrosis, RCI: Red cell index, Hb: Hemoglobin