Table 3 Correlation between the gene expression of SIRT2, FBXW5 and CPT1B analyzed with quantitative PCR (QPCR) with % fiber type and mitochondrial DNA. Significant correlation was determined using Spearman’s rank correlation coefficient test

% type I fiber

Spearman’s rank correlation coefficient

0.46

0.47

0.44

P

0.006

0.005

0.008

n

34

34

35

% type II A fiber

Spearman’s rank correlation coefficient

0.20

0.03

0.19

P

0.27

0.88

0.31

n

31

31

32

% type II B fiber

Spearman’s rank correlation coefficient

−0.53

−0.46

−0.46

P

0.002

0.01

0.007

n

31

31

32

Mitochondrial DNA

Spearman’s rank correlation coefficient

0.42

0.25

0.40

P

0.013

0.15

0.017

n

34

34

35