Table 4.
Comparison of clinical variables of patients with negative and positive ΔCBF.
| ΔCBF < 0 (headache-free > attack) N = 7 |
ΔCBF > 0 (headache-free < attack) N = 5 |
p | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Age (years) | 35.4 ± 6.0 | 37.8 ± 9.1 | 0.597 |
| Literacy (years) | 15.3 ± 3.3 | 15.6 ± 3.9 | 0.883 |
| Disease duration (years) | 18.0 ± 8.7 | 30.0 ± 9.6 | 0.047 |
| Headache impact test-6 score | 62.0 ± 3.1 | 60.8 ± 5.5 | 0.424 |
| Pain intensity [Visual Analog Scale (VAS)] | 7.1 ± 1.5 | 6.8 ± 1.3 | 0.695 |
| Nausea intensity (VAS) | 4.3 ± 1.2 | 3.8 ± 1.8 | 0.590 |
| Photophobia intensity (VAS) | 4.6 ± 2.2 | 5.0 ± 0.0 | 0.629 |
| Phonophobia intensity (VAS) | 4.4 ± 3.0 | 5.2 ± 0.4 | 0.525 |
| Worsening with P. effort (VAS) | 4.0 ± 2.9 | 4.8 ± 1.6 | 0.592 |
| Headache-free total cerebral blood flow (CBF) | 41.1 ± 5.8 | 44.2 ± 6.8 | 0.423 |
| Attack total CBF | 37.5 ± 6.8 | 47.6 ± 8.4 | 0.044 |
| ΔCBF | −3.6 ± 2.3 | 3.4 ± 3.2 | 0.001 |
| ΔCBF% | −9.2 ± 6.2 | 7.5 ± 5.0 | 0.001 |
p = significance level.