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Table 3 Changes in exercise performance (time in seconds) for the participants given M. spicata (n = 10) and C. sinensis oils (n = 10) when running equal distance of 1500 m before and after oil inhalations

From: The effect of inhalation of Citrus sinensis flowers and Mentha spicata leave essential oils on lung function and exercise performance: a quasi-experimental uncontrolled before-and-after study

Outcome variable

M. spicata oil group

C. sinensis oil group

Mean ± SDa

Mean difference ± SD

P-value*

Mean ± SDa

Mean difference ± SD

P-value*

Time (sec)b

300.50 ± 19.89

  

294.70 ± 14.20

  

 - Post-inhaler

340.70 ± 16.08

  

347.90 ± 15.59

-

 

 - Pre-inhalers

 

−40.2 ± 2.32

0.007 **

 

53.20 ± 7.94

0.005 **

  1. *P-value for the mean differences of the Two-related samples Wilcoxon test. ** Significant P-values (less than 0.05)
  2. aSD, standard deviation
  3. bData in the table is expressed as seconds