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The distributions of patients and controls according to education (n signifies the number of subjects and controls).
| Education | Patients (n = 140) | Control (n = 100) |
|---|---|---|
| Middle | 25 (17.86) | 10 (10.00) |
| High school | 17 (12.14) | 8 (8.00) |
| Hr. secondary | 13 (9.29) | 9 (9.00) |
| Diploma | 0 (0.00) | 29 (29.00) |
| Graduate | 6 (4.29) | 15 (15.00) |
| Post-graduate | 0 (0.00) | 3 (3.00) |
| GNM | 1 (0.71) | 0 (0.00) |
| None | 78 (55.71) | 26 (26.00) |
