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A comparative table for the Mentzer index versus RDW plus microcytosis in the diagnosis of iron deficiency anaemia among the study participants.
| Diagnostic test | Prevalence of IDA | |
|---|---|---|
| Hb < 11 g/dl + RDW > 14 + microcytosis | 41.5% | |
| Hb < 11 g/dl + Mentzer index > 13 | 45.3% | |
| Spearman correlation coefficient | 0.521 | |
| P value | <0.001 |
