Table 6.
Association between hypothyroidism and each of the demographic, frequency of transfusion, age of start transfusion, Age of start chelation, compliance.
| Characteristics | Patients | Hypothyroidism (n = 200) | P-value | |
|---|---|---|---|---|
| Negative (n = 174) | Positive (n = 26) | |||
| Gender | ||||
| Male | 126 | 88.1% | 11.9% | 0.70 |
| Female | 74 | 85.1% | 14.9% | |
| Age (years) | ||||
| ≥6 | 105 | 78.1% | 21.9% | <0.001 |
| <6 | 95 | 96.8% | 3.2% | |
| Frequency of transfusion (weeks) | ||||
| Every 2–3 | 98 | 79.6% | 20.4% | 0.004 |
| Every 4–5 | 102 | 94.1% | 5.9% | |
| Age of start transfusion (years) | ||||
| ≤3 | 117 | 77.8% | 22.2% | <0.001 |
| >3 | 83 | 100.0% | 0.0% | |
| Age of start chelation (years) | ||||
| ≤6 | 59 | 67.8% | 32.2% | <0.001 |
| >6 | 141 | 95.0% | 5.0% | |
| Compliance, % | ||||
| <60 | 43 | 41.9% | 58.1% | <0.001 |
| ≥60 | 157 | 99.4% | 0.6% | |