Table 2.
Serum ferritin, vitamin B12 and homocysteine levels of the different study groups.
| Biochemical analysis | IDA (n = 49) | Microcytic normal ferritin (n = 23) | Normal control (normocytic) (n = 20) | P-value |
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | ||
| Serum ferritin (ng/mL) | 5.1 ± 2.7 | 25.1 ± 10.5 | NA | <0.001a |
| Vitamin B12 (pg/mL) | 212.9 ± 62.7 | 256.7 ± 71.1 | 286.9 ± 57.1 | <0.001b |
| Homocysteine (μmol/L) | 27.0 ± 4.6 | 18.1 ± 2.7 | 15.45 ± 2.9 | <0.001b |
IDA, Iron deficiency anemia; NA, Not available; SD, Standard deviation.
a
Independent t-test.
b
ANOVA.