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 |