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Table 4 Mean and standard deviation (SD) for QST parameters of the volar forearm, the right and left cheek of patients with migraine and of healthy controls

From: Contact heat evoked potentials and habituation measured interictally in migraineurs

Quantitative sensory testing
  Migraine patients Healthy controls p values Mann–Whitney-U
QST parameter Arm Right cheek Left cheek Arm Right cheek Left cheek Arm Right cheek Left cheek Arm Right cheek Left cheek
  Raw data (mean ± SD) Raw data (mean ± SD) Raw data (mean ± SD) Raw data (mean ± SD) Raw data (mean ± SD) Raw data (mean ± SD)   
CDT (°C) -1.53 ± 0.95 -1.88 ± 1.08 -1.91 ± 0.75 -1.71 ± 1.22 -1.31 ± 0.53 -2.09 ± 0.90 0.743 0.085 0.443 207.5 152.0 190.0
WDT (°C) 1.86 ± 0.78 2.20 ± 1.27 2.62 ± 0.99 1.92 ± 0.52 1.92 ± 0.66 2.42 ± 1.26 0.262 0.990 0.320 176.0 220.0 190.5
CPT (°C) 15.02 ± 6.46 13.38 ± 8.44 12.62 ± 8.97 14.23 ± 6.72 10.25 ± 8.37 11.02 ± 8.13 0.697 0.314 0.450 205.0 180.5 190.5
HPT (°C) 43.08 ± 2.55 44.02 ± 3.15 44.50 ± 3.31 43.10 ± 3.31 44.16 ± 2.86 43.82 ± 2.69 0.782 0.811 0.141 209.5 211.0 162.0
MDT (mN) 3.75 ± 6.18 0.29 ± 0.17 0.32 ± 0.3 2.43 ± 2.49 0.26 ± 0.13 0.26 ± 0.10 0.290 0.919 0.361 178.5 216.5 184.5
MPT (mN) 11.16 ± 10.97 24.34 ± 29.59 14.01 ± 12.45 8.77 ± 5.23 18.50 ± 18.5 10.36 ± 10.8 0.353 0.910 0.073 184.0 216.0 149.5
WUR (ratio) 3.83 ± 2.75 3.88 ± 3.99 4.96 ± 10.14 4.62 ± 6.97 3.62 ± 3.28 4.28 ± 4.36 0.580 0.473 0.615 198.5 192.0 200.5
  Migraine patients Healthy controls p values t; df
QST parameter Arm Right cheek Left cheek Arm Right cheek Left cheek Arm Right cheek Left cheek Arm Right cheek Left cheek
  Log data (mean ± SD) Log data (mean ± SD) Log data (mean ± SD) Log data (mean ± SD) Log data (mean ± SD) Log data (mean ± SD)   
CDT (°C) 0.13 ± 0.22 0.21 ± 0.23 0.25 ± 0.18 0.14 ± 0.29 0.06 ± 0.28 0.28 ± 0.21 0.897 0.062 0.650 t = 2.628; df = 40 t = 0.334; df = 40 t = 0.433; df = 40
WDT (°C) 0.24 ± 0.15 0.29 ± 0.22 0.39 ± 0.16 0.26 ± 0.14 0.26 ± 0.16 0.35 ± 0.17 0.629 0.632 0.427 t = 0.052; df = 40 t = 0.966; df = 40 t = 0.029; df = 40
MDT (mN) 0.35 ± 0.4 -0.59 ± 0.19 -0.58 ± 0.24 0.21 ± 0.41 -0.61 ± 0.16 -0.61 ± 0.13 0.265 0.709 0.677 t = 0.163; df = 40 t = 0.646; df = 40 t = 4.196; df = 30.162
MPT (mN) 0.96 ± 0.24 1.21 ± 0.37 1.04 ± 0.27 0.90 ± 0.19 1.15 ± 0.29 0.93 ± 0.23 0.378 0.609 0.138 t = 0.264; df = 40 t = 3.002; df = 40 t = 0.832; df = 40
WUR (ratio) 0.50 ± 0.27 0.47 ± 0.29 0.42 ± 0.44 0.47 ± 0.35 0.50 ± 0.31 0.50 ± 0.31 0.811 0.683 0.503 t = 0.433; df = 40 t = 0.057; df = 40 t = 0.094; df = 40
  1. QST data are shown as log10 units (lg) except for the cold and heat pain thresholds (raw data) and as raw data. Statistical comparison of raw data with Mann–Whitney-U test (migraine patients vs. healthy controls) and statistical comparison of log data with independent t-test, p < 0.05 is considered to be significant. None of the subjects showed dynamic mechanical allodynia.