Table 2. Parameters of heart rate variability comparison between subjects with and without LVH.
| Parameters | No LVH | LVH | p value |
| Mean HR, bpm | 79 ± 17 | 84 ± 17 | 0.216 |
| SDNN | 56.2 ± 40.7 | 42.0 ± 29.6 | 0.028 |
| rMSSD, ms | 13.25 ± 8.61 | 9.10 ± 5.44 | 0.004 |
| VLF ln, ms2 | 6.27 ± 1.42 | 5.75 ± 1.10 | 0.043 |
| LF ln, ms2 | 5.45 ± 1.65 | 4.78 ± 1.38 | 0.034 |
| HF ln, ms2 | 4.32 ± 1.19 | 4.99 ± 1.39 | 0.132 |
| LF/HF | 1.80 ± 0.90 | 1.82 ± 0.79 | 0.965 |
| DC, ms | 3.89 ± 1.45 | 2.08 ± 1.90 | 0.021 |
DC, deceleration capacity; HR, heart rate; HF, high-frequency; LF, low-frequency; rMSSD, root mean square of the successive differences; SDNN, standard deviation of N-N interval; VLF, very low frequency.