Table 5.
Distribution of patients with low, moderate, or high serum levels of iron, vitamin B12, and folic acid in 170 burning mouth syndrome (BMS) patients with hyperhomocysteinemia and in 714 BMS patients without hyperhomocysteinemia.
| Group | Patient number (%) |
aP-value | |
|---|---|---|---|
| BMS patients with hyperhomocysteinemia (n = 170) | BMS patients without hyperhomocysteinemia (n = 714) | ||
| Serum iron level (μg/dL) | |||
| < 60 | 39 (22.9) | 104 (14.6) | 0.011 |
| Between 60 and 100 | 89 (52.4) | 316 (44.2) | 0.069 |
| ≥ 100 | 42 (24.7) | 294 (41.2) | <0.001 |
| Serum vitamin B12 level (pg/mL) | |||
| < 200 | 35 (20.6) | 7 (1.0) | <0.001 |
| Between 200 and 800 | 118 (69.4) | 421 (59.0) | 0.015 |
| ≥ 800 | 17 (10.0) | 286 (40.0) | <0.001 |
| Serum folic acid level (ng/mL) | |||
| < 4 | 14 (8.3) | 6 (0.8) | <0.001 |
| Between 4 and 15 | 108 (63.5) | 384 (53.8) | 0.027 |
| ≥ 15 | 48 (28.2) | 324 (45.4) | <0.001 |
a
Comparisons of frequencies of patients with low, moderate, or high serum levels of iron, vitamin B12, and folic acid between 170 BMS patients with hyperhomocysteinemia and 714 BMS patients without hyperhomocysteinemia by chi-square test.