Table 8: Distribution of patients by Test_a value and type of "rescue".
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| Test_a value | Pharmacist | General Practitioner | Pharmacist and General Practitioner | Headache Center | General Practitioner and Headache Centre | All | N. |
| 0 | 24.50% | 58.30% | 13.00% | 1.60% | 1.60% | 1.00% | 192 |
| 1 | 20.90% | 59.70% | 16.20% | 1.00% | 1.00% | 1.00% | 191 |
| 2 | 17.80% | 55.40% | 20.20% | 1.90% | 1.40% | 3.30% | 213 |
| 3 | 16.10% | 54.90% | 20.40% | 3.10% | 2.40% | 3.10% | 255 |
| 4 | 8.70% | 62.70% | 16.00% | 2.80% | 6.60% | 3.10% | 287 |
| 5 | 8.90% | 57.20% | 18.80% | 5.90% | 4.80% | 4.40% | 271 |
| 6 | 9.00% | 43.80% | 20.40% | 5.40% | 11.40% | 10.00% | 299 |
| 7 | 4.20% | 44.90% | 18.30% | 9.90% | 13.30% | 9.50% | 263 |
| 8 | 2.80% | 47.70% | 11.20% | 12.10% | 15.40% | 10.70% | 214 |
| 9 | 3.00% | 23.20% | 16.50% | 17.10% | 23.30% | 17.10% | 164 |
| 10 | 2.00% | 42.40% | 7.30% | 13.90% | 22.50% | 11.90% | 151 |
| Total | 10.70% | 50.90% | 16.80% | 6.30% | 8.80% | 6.60% | 2500 |
Significant χ2 Test of the association between the two variables at P-value = 0.000.