Item

2012

2013

2014

p value

mean ± SD

logLF

2.67 ± 1.37

2.12 ± 1.17

2.29 ± 0.92

0.017

logHF

2.36 ± 1.59

2.47 ± 1.86

2.25 ± 1.27

0.023

logLF/HF

0.31 ± 0.14

0.19 ± 0.11

0.22 ± 0.17

0.039

Item

2012 vs 2013

2013 vs 2014

2012 vs 2014

Pair-wise comparison: p valueα

logLF

0.001

0.008

0.006

logHF

0.019

0.001

0.013

logLF/HF

0.018

0.026

0.021