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Table 4 Daily mean values of hormone and glycaemia collected at the end of each day (n = 28)

From: Hormonal assessment of participants in a long distance walk

Variable M1
Mean (SD)
M2
Mean (SD)
M3
Mean (SD)
M4
Mean (SD)
P value
Cortisol (μg/dL) 17.46 (± 11.85) 11.88 (± 7.86) 11.17 (± 5.39) 8.39 (± 4.04) 0.001
Ta (ng/dL) 270.35 (± 161.76) 267.90 (± 140.00) 222.73 (± 150.09) 254.98 (± 121.34) 0.692
T3 (ng/mL) 1.25 (± 0.20) 1.22 (± 0.20) 1.27 (± 0.18) 1.20 (± 0.17) 0.484
FT4 (ng/dL) 1.31 (± 0.13) 1.26 (± 0.14) 1.23 (± 0.16) 1.14 (± 0.14) < 0.001
TSH (μIU/mL) 3.96 (± 2.51) 3.53 (± 2.06) 3.28 (± 2.13) 3.24 (± 2.02) 0.201
Glucose (mg/dL) 104.96 (± 22.42) 108.71 (± 17.91) 99.96 (± 16.42) 104.71 (± 13.12) 0.729
Insulin (μIU/mL) 4.91 (± 2.71) 5.76 (± 5.69) 3.72 (± 2.47) 5.39 (± 4.15) 0.297
C/Ta 0.13 (± 0.16) 0.07 (± 0.06) 0.08 (± 0.06) 0.05 (± 0.04) 0.073
FT4/T3 1.05 (± 0.23) 1.06 (± 0.24) 0.99 (± 0.18) 0.97 (± 0.20) 0.038
G/I 30.46 (± 24.86) 30.04 (± 18.40) 32.87 (± 12.03) 28.45 (± 14.71) 0.764
  1. Value in parentheses: standard deviation. P value for trend
  2. SD standard deviation, T testosterone, T3 triiodothyronine, FT4 free thyroxine, TSH thyroid stimulating hormone, C/T cortisol/testosterone ratio, FT4/T3 free thyroxine/triiodothyronine ratio, G/I glucose/insulin ratio, M1: Mean values of hormones and glucose on the 1st day of the walk; M2: Mean values of hormones and glucose on the 2nd day of the walk; M3: Mean values of hormones and glucose on the 3rd day of the walk, M4: Mean values of hormones and glucose on the 4th day of the walk
  3. aTestosterone and Cortisol/Testosterone ratio analyzed only in men. Q: Test analyzed only in men