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Table 4 Linear regression “enter” analysis for the total volumes of sweat response of the four measured sites with age

From: Sweat output measurement of the post-ganglion sudomotor response by Q-Sweat Test: a normative database of Chinese individuals

Sweat volume (μl) Forearm (Vt1) Proximal leg (Vt2) Distal leg (Vt3) Foot (Vt4)
(R, R square) (0.173, 0.030) (0.057, 0.003) (0.119, 0.014) (0.203, 0.041)
Non-standardized regression equation Vt1 = 0.640 + 0.005 × age Vt2 = 1.007 - 0.002× age Vt3 = 1.022 – 0.003 × age Vt4 = 0.739 - 0.004 × age
Standardized regression equation Vt1 = 0.173 × age Vt2 = −0.057 × age Vt3 = −0.119 × age Vt4 = − 0.203 × age
  1. Abbreviations: Vt1, square root of total volume of sweat response recorded at forearm; Vt2, square root of total volume of sweat response recorded at proximal leg; Vt3, square root of total volume of sweat response recorded at distal leg; Vt4, square root of total volume of sweat response recorded at foot.