Table 4B.
Comparison of Hemoglobin, Red Blood Cell Indices, and Iron Studies Between Thalassemia Trait and Nonthalassemia Groups
| Thalassemia trait N=111a | Nonthalassmia trait N=171a | p-value | |
|---|---|---|---|
| Hemoglobin (g/dl), mean (SD) | 11.0 (1.0) | 11.5 (1.1) | <0.001 |
| MCV (fl), mean (SD) | 68.8 (5.8) | 77.8 (5.3) | <0.001 |
| MCH (pg), mean (SD) | 22.4 (2.2) | 25.8 (2.2) | <0.001 |
| Abnormal≥3/5 iron study parameters, n (%) | 40 (36.04) | 34 (20.00) | 0.003 |
| Serum ferritin (μg/liter), mean (SD) (n=116) | 63.8 (55.0) | 88.4 (82.6) | 0.003 |
| Serum ferritin<50 μg/liter, number (%) | 52 (46.9) | 57 (33.5) | 0.025 |
| Serum ferritin>140 μg/liter, number (%) | 5 (4.5) | 25 (14.7) | 0.007 |
a
Seven HbE diseases, two HbH diseases, and eight IDA were excluded.
MCV, mean corpuscular volume; MCH, mean corpuscular hemoglobin.