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Table 1 Physiological parameters obtained by gas analyser in Pre-test and Post-test

From: The effects of peppermint on exercise performance

Parameter Pre-test (n = 12) Post-test (n = 12) Changes% T P value Effect size
VO 2 [L/min] 2.74 ± 0.40 3.03 ± 0.351 10.5 6.757 p < 0.001 0.775
VCO 2 [L/min] 3.08 ± 0.47 3.73 ± 0.518 21.1 5.594 p < 0.001 1.319
VE [L/min] 84.60 ± 17.74 116.80 ± 22.44 38 4.790 p < 0.001 1.592
RR 39.26 ± 9.24 50.53 ± 7.33 28.7 5.683 p < 0.001 1.352
PETO 2 [mmHg] 88.87 ± 4.19 96.25 ± 4.02 8.3 5.869 p < 0.001 1.798
PETCO 2 [mmHg] 40.86 ± 4.28 35.16 ± 3.78 −16.2 7.270 p < 0.001 1.412
DFCO 2 /DFO 2 1.109 ± 0.053 1.233 ± 0.072 7.4 4.233 p < 0.005 1.962
RER 1.147 ± 0.052 1.247 ± 0.066 8.7 3.873 p < 0.005 1.690
VO 2 /Kg [ml/kg/min] 39.25 ± 3.69 43.63 ± 3.78 11.1 5.912 p < 0.001 1.174
VCO 2 /Kg [ml/kg/min] 44.95 ± 4.61 54.29 ± 6.45 20.7 4.769 p < 0.005 1.666
VE/Kg [ml/kg/min] 1229.9 ± 212.13 1692.6 ± 296.5 37.6 4.306 p < 0.005 1.795
EQO 2 30.60 ± 4.65 38.80 ± 4.13 26.7 4.984 p < 0.001 1.865
EQCO 2 26.20 ± 3.65 31.20 ± 2.78 19 6.578 p < 0.001 1.542
VT [L] 2.165 ± 0.489 2.536 ± 0.404 17.1 6.770 p < 0.001 0.827
VA [L] 86.00 ± 19.22 117.31 ± 22.22 36.4 4.492 p < 0.005 1.507
METS 11.21 ± 1.06 12.48 ± 1.07 11.3 6.054 p < 0.001 1.192
EE [kcal/h] 847.60 ± 123.64 955.10 ± 116.98 12.6 6.138 p < 0.001 0.893
FETO 2 [%] 14.95 ± 0.70 16.35 ± 0.55 9.3 6.917 p < 0.001 2.232
FETCO 2 [%] 6.681 ± 0.679 5.800 ± 0.507 −15.1 6.102 p < 0.001 1.470
CHO [kcal/h] 1276.7 ± 232.39 1721.4 ± 327.85 34.8 4.170 p < 0.005 1.565
FAT [kcal/h] 323.38 ± 124.04 691.06 ± 223.77 13.6 4.834 p < 0.001 2.032
  1. Data are expressed as mean ± SD.