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Number of students in different groups, mean serum ferritin, and hemoglobin levels.
| Groups | Number of students | Mean serum ferritin (µg/L) | Mean hemoglobin levels (gm%) |
|---|---|---|---|
| Anemic iron deficient (group I) | 50 | 8.458 | 11.01 |
| Nonanemic iron deficient (group II) | 17 | 10.02 | 12.61 |
| Nonanemic noniron deficient (group III) | 20 | 25.275 | 12.975 |
