Table 3.
Comparison of clinical variables of patients scanned early (≤5 h) and late (>5 h) into the attack.
| Early attack (≤5 h) N = 4 |
Late attack (>5 h) N = 9 |
p | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Age (years) | 33.0 ± 7.6 | 36.9 ± 7.4 | 0.402 |
| Literacy (years) | 16.2 ± 3.3 | 15.1 ± 3.4 | 0.583 |
| Disease duration (years) | 22.2 ± 11.1 | 22.9 ± 10.5 | 0.923 |
| Headache impact test-6 score | 61.8 ± 1.9 | 62.1 ± 4.7 | 0.888 |
| Pain intensity [Visual Analog Scale (VAS)] | 6.5 ± 1.7 | 7.0 ± 1.3 | 0.577 |
| Nausea intensity (VAS) | 4.1 ± 2.3 | 4.3 ± 1.2 | 0.833 |
| Photophobia intensity (VAS) | 4.6 ± 1.9 | 5.0 ± 1.6 | 0.724 |
| Phonophobia intensity (VAS) | 5.2 ± 2.5 | 4.9 ± 2.4 | 0.810 |
| Worsening with P. effort (VAS) | 5.0 ± 2.6 | 4.4 ± 2.6 | 0.729 |
| Attack total cerebral blood flow (CBF) | 44.3 ± 11.1 | 40.8 ± 8.5 | 0.578 |
| ΔCBF | 1.2 ± 4.8 | −1.3 ± 4.4 | 0.425 |
p = significance level.