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Table 1 Variables to characterize cold-induced vasodilation in a controlled condition and an experimental condition (menthol application)

From: l-Menthol attenuates the magnitude of cold-induced vasodilation on the extremities of young females

  Control (CON) Menthol P value
Mean SD Mean SD
Tmin (°C) 4.20 0.77 3.88 0.17 N.S.
Onset time (min) 4.74 0.94 4.88 1.04 N.S.
Tmax (°C) 9.48 2.27 8.44 2.02 0.041
Dmax (min) 16.82 5.11 18.75 6.58 N.S.
ΔT (°C) 5.28 2.24 4.56 1.99 N.S.
Tmean (°C) 7.33 1.51 6.57 1.29 0.022
Frequency (times) 1.82 1.13 1.88 1.36 N.S.
  1. N = 17 females
  2. T min minimum temperature in initial vasoconstriction, Onset time time until initial increase in temperature from beginning of cold water immersion, T max maximum temperature reached during cold water immersion, D max time to appearance of Tmax, ΔT amplitude of temperature reaction (Tmax −Tmin), T mean averaged temperature during whole period of water immersion, Frequency number of times of CIVD appearances, N.S. not significant