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Comparison of MCH values in cases and controls
| Beta-thalassemia | Total (%) | |||||
|---|---|---|---|---|---|---|
| Cases | Controls | |||||
| Count (n) | % of total | Count (n) | % of total | |||
| MCH (pg) | ||||||
| Less than 24 | 42 | 3.2 | 559 | 43 | 601 | 46.2% |
| 24–27 | 9 | 0.7 | 229 | 17.6 | 238 | 18.3% |
| 27–31 | 14 | 1.1 | 306 | 23.5 | 320 | 24.6% |
| More than 31 | 1 | 0.1 | 140 | 10.8 | 141 | 10.8% |
| Total | 66 | 5.1 | 1234 | 94.9% | 1300 | 100% |
