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Table 4 Mean values ± standard deviations of skin temperature in the intervention and control groups at the baseline and at the eight-week follow-up examinations

From: Effects of a traditional herbal medicine on peripheral blood flow in women experiencing peripheral coldness: a randomized controlled trial

  Baseline Follow-up
  Intervention Control p value Intervention Control p value
Total participants       
 Number 28 30   27 30  
 Skin temperature before bathing, °C 29.9 ± 1.24 29.6 ± 1.43 0.43 30.1 ± 1.35 29.9 ± 1.71 0.56
 Skin temperature 1 min after bathing, °C 24.0 ± 0.83 23.7 ± 0.80 0.32 24.0 ± 0.99 23.9 ± 1.09 0.89
 Skin temperature 10 min after bathing, °C 27.0 ± 2.79 25.6 ± 2.14 0.03 27.6 ± 2.72 26.5 ± 3.01 0.17
 Percentage recovery of skin temperature after 10 min, % −9.6 −13.5 0.04 −8.5 −11.4 0.14
Participants without percentage recovery of peripheral blood flow >300% at the baseline (sensitivity analysis)  
 Number 26 30   25 30  
 Skin temperature before bathing, °C 29.9 ± 1.26 29.6 ± 1.43 0.34 30.2 ± 1.40 29.9 ± 1.77 0.54
 Skin temperature 1 min after bathing, °C 24.0 ± 0.77 23.7 ± 0.80 0.18 24.0 ± 1.03 23.9 ± 1.09 0.89
 Skin temperature 10 min after bathing, °C 26.8 ± 2.74 25.6 ± 2.14 0.08 27.6 ± 2.83 26.5 ± 3.01 0.20
 Percentage recovery of skin temperature after 10 min, % −10.7 −13.5 0.11 −8.7 −11.3 0.19