Table 4 Primary efficacy variables at baseline, 30 and 90 days of study population
From: Botulinum toxin: could it be an effective treatment for chronic tension-type headache?
BTX | Placebo | P value | ||||
|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | |||
Headache (days/months) | ||||||
Baseline | 19.93 | 3.75 | 19.21 | 3.17 | 0.591 | |
30 days | 15.00 | 2.25 | 17.50 | 2.03 | 0.005 | |
90 days | 12.07 | 1.94 | 15.92 | 2.16 | 0.000 | |
Headache severity (VAS) | ||||||
Baseline | 6.21 | 1.05 | 6.36 | 1.08 | 0.726 | |
30 days | 4.79 | 1.05 | 5.86 | 0.86 | 0.007 | |
90 days | 3.50 | 1.22 | 5.21 | 1.19 | 0.001 | |
HDI | ||||||
Baseline | 64.43 | 8.74 | 60.57 | 10.27 | 0.294 | |
30 days | 44.29 | 14.84 | 56.14 | 11.70 | 0.027 | |
90 days | 38.29 | 19.84 | 56.57 | 12.31 | 0.007 | |