Table 4.
Associated systemic diseases
| Systemic diseases | Study group | Control group | O/E ratio | P value | ||
|---|---|---|---|---|---|---|
| No. | % | No. | % | |||
| Thyroid diseases | 13 | 18.3 | 4 | 5.6 | 3.2 | 0.01 |
| Hypothyroidism | 10 | 14.1 | 2 | 2.8 | 5 | 0.01 |
| Hyperthyroidism | 2 | 2.8 | 2 | 2.8 | 1 | 0.61 |
| Papillary carcinoma thyroid | 1 | 1.4 | - | - | - | - |
| Anemias | 8 | 11.3 | 3 | 4.2 | 2.6 | 0.12 |
| Iron deficiency anemia | 6 | 8.4 | 2 | 2.8 | 3 | 0.27 |
| Pernicious anemia | 2 | 2.8 | 1 | 1.4 | 2 | 1.0 |
| Allergic rhinitis | 3 | 4.2 | 6 | 8.4 | 0.5 | 0.49 |
| Bronchial asthma | 3 | 4.2 | 2 | 2.8 | 1.5 | 1.0 |
| Diabetes | 5 | 7.1 | 7 | 9.9 | 0.7 | 0.55 |
| Hypertension | 2 | 2.8 | 3 | 4.2 | 0.6 | 1.0 |
| Ulcerative colitis | 2 | 2.8 | - | 4.2 | 0.6 | 1.0 |
| Systemic lupus erythematosus | 1 | 1.4 | - | 1.4 | 1 | 0.48 |