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Table 1 Differences between the WMH− and WMH+ groups in relation to disease duration and attack frequency in migraine patients without and with aura

From: Risk factors of migraine-related brain white matter hyperintensities: an investigation of 186 patients

  Patient number Disease duration (years) p value Attack frequency (attack/month) p value
All patients
 WMH− 128 14.3 ± 8.5 0.004 4.1 ± 3.0 0.017
 WMH+ 58 19.9 ± 11.6 5.5 ± 3.6
Patients without aura
 WMH− 99 14.7 ± 8.7 0.030 4.6 ± 3.1 0.016
 WMH+ 42 19.7 ± 11.7 6.2 ± 3.6
Patients with aura
 WMH− 29 13.1 ± 7.9 0.047 2.4 ± 2.4 0.067
 WMH+ 16 20.3 ± 11.8 3.5 ± 3.0
  1. WMH− patients without white matter hyperintensities, WMH+ patients with white matter hyperintensities
  2. The diseases duration and attack frequency values are presented in mean ± 1 SD
  3. p values are based on Mann–Whitney statistical analysis