Measurement

HF

LF

Total

Initial

1.30 ± 1.25

1.30 ± 0.94

1.30 ± 1.08

Final

1.20 ± 1.54

0.60 ± 0.84

0.90 ± 1.25

Maintenance

1.10 ± 1.59

0.60 ± 0.84

0.85 ± 1.26