Table 4.
Distribution of patients with low, moderate, or high serum levels of vitamin B12 and folic acid in 80 anemic burning mouth syndrome (BMS) patients with iron deficiency (ID/BMS patients) and in 63 non-anemic ID/BMS patients.
| Group | Patient number (%) |
*P-value | |
|---|---|---|---|
| Anemic ID/BMS patients (n = 80) | Non-anemic ID/BMS patients (n = 63) | ||
| Serum vitamin B12 level (pg/mL) | |||
| <200 | 9 (11.3) | 2 (3.2) | 0.138 |
| Between 200 and 800 | 54 (67.5) | 36 (57.1) | 0.272 |
| ≥800 | 17 (21.2) | 25 (39.7) | 0.027 |
| Serum folic acid level (ng/mL) | |||
| <4 | 2 (2.5) | 1 (1.6) | 0.834 |
| Between 4 and 15 | 54 (67.5) | 38 (60.3) | 0.475 |
| ≥15 | 24 (30.0) | 24 (38.1) | 0.401 |
*Comparisons of frequencies of patients with low, moderate, or high serum levels of vitamin B12 and folic acid between 80 anemic ID/BMS patients and 63 non-anemic ID/BMS patients by chi-square test.