Clinical Study
Hematological Indices for Differential Diagnosis of Beta Thalassemia Trait and Iron Deficiency Anemia
Table 5
Red cell values at various ages of study groups and mean and lower limit of normal (−2 SD).
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 |  | Age | Hemoglobin (g/dL) | Hemoglobin (g/dL) | MCV (fL) | MCV (fL) |  | Mean ± SD (range) | Mean and lower limit of normal (−2 SD) | Mean ± SD  (range) | Mean and lower limit of normal (−2 SD) |  | 
 |  | Female |  |  |  |  |  | 0.5–2 years | 10.06 ± 0.73 (9.0–11.4) | 12.0 (10.5) | 63.79 ± 4.24 (56.62–69.74) | 78 (70) |  | 2–6  years | 10.17 ± 0.74 (8.9–11.6) | 12.5 (11.5) | 62.09 ± 5.42 (49.0–69.90) | 81 (75) |  | 6–12 years | 10.42 ± 0.78 (8.9–11.4) | 13.5 (11.5) | 62.80 ± 5.80  (53.4–77.3) | 86 (77) |  | 12–18 years | 10.15 ± 0.99 (8.9–11.6) | 14.0 (12.0) | 65.71 ± 5.23  (56.8–71.9) | 90 (78) |  | Male |  |  |  |  |  | 0.5–2 years | 10.16 ± 0.74 (8.9–11.3) | 12.0 (10.5) | 69.90 ± 3.85 (57.0–69.4) | 78 (70) |  | 2–6  years | 10.38 ± 0.75 (8.9–11.5) | 12.5 (11.5) | 60.92 ± 5.0   (52.0–69.7) | 81 (75) |  | 6–12 years | 10.72 ± 0.71 (9.0–11.4) | 13.5 (11.5) | 63.25 ± 6.03 (56.7–74.3) | 86 (77) |  | 12–18 years | 10.78 ± 0.78 (8.9–11.4) | 14.5 (13.0) | 62.46 ± 3.59 (59.6–68.7) | 88 (78) |  | 
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| Hb: hemoglobin;     MCV: mean corpuscular volume; SD: standard deviation. From [24].
 
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