Table 3 Baseline clinical profile of the study population
From: Botulinum toxin: could it be an effective treatment for chronic tension-type headache?
BTX-A | Placebo | P value | |
|---|---|---|---|
Headache duration (years) | 4.86 ± 2.93 | 4.71 ± 2.27 | 0.886 |
Duration of prophylactic treatment (months) | 15.93 ± 7.78 | 16.36 ± 7.48 | 0.883 |
Headache days/months | 19.92 ± 3.75 | 19.21 ± 3.17 | 0.591 |
Duration of headache per day (h) | 8.50 ± 1.09 | 8.86 ± 1.03 | 0.381 |
Number of days with acute headache medications/months | 11.14 ± 2.59 | 10.71 ± 2.33 | 0.650 |
Headache severity (VAS) | 6.21 ± 1.05 | 6.36 ± 1.08 | 0.726 |
HDI (baseline) | 64.43 ± 8.74 | 60.57 ± 10.27 | 0.294 |