Table 4.
Associations Of Changes In Heart Rate Variability Indices With Changes In Central Hemodynamics And Heart Rate After 6-Week Combined Exercise And Diet Intervention
| SEVR | AIx75 | HR | ||||
|---|---|---|---|---|---|---|
| r | P | r | P | r | P | |
| SDNN | 0.518 | 0.048 | −0.399 | 0.140 | −0.736 | 0.002 |
| RMSSD | 0.499 | 0.058 | −0.335 | 0.223 | −0.813 | 0.000 |
| pNN50 | 0.282 | 0.329 | −0.324 | 0.259 | −0.749 | 0.002 |
| TP | 0.518 | 0.084 | −0.655 | 0.021 | −0.172 | 0.593 |
| LF | 0.520 | 0.047 | −0.673 | 0.006 | −0.270 | 0.330 |
| HF | 0.459 | 0.085 | −0.290 | 0.294 | −0.748 | 0.001 |
| LF/HF | −0.04 | 0.893 | −0.249 | 0.391 | −0.485 | 0.079 |
Abbreviations: SDNN, standard deviation of normal R-R intervals; RMSSD, root mean square of successive R-R interval differences; pNN50, percentage of successive R-R intervals that differed by >50 ms; TP, total power; LF, low-frequency power; HF, high-frequency power; LF/HF, the ratio of LF to HF; SEVR, subendocardial viability ratio; AIx75, augmentation index standardized to a heart rate of 75/min; HR, heart rate.