Table 3.
Heart rate in the standing position
| Diabetes | Control | p | |
|---|---|---|---|
| HR (mean) | 75.78 ± 11.41 | 78.5 ± 10.93 | 0.35 |
| HR (SD) | 3.14 ± 0.93 | 5.22 ± 1.91 | < 0.01 |
| SDNN (ms) | 31.25(23.6–41.1) | 47.05(32.6–62) | < 0.01 |
| RMSSD (ms) | 20.5(13.7–24.1) | 26.05(21.8–34.5) | < 0.01 |
| pNN50 (%) | 1.55(0–3.6) | 5.25(1.9–14.6) | < 0.01 |
| TP (ms2) | 785(409–1270) | 2030.5(938–3026) | < 0.01 |
| LF (ms2) | 199(122–388) | 551.5(357–1130) | < 0.01 |
| HF (ms2) | 124(64–210) | 322.5(229–542) | < 0.01 |
| LF (nu) | 63.27 ± 18.64 | 61.19 ± 20.59 | 0.69 |
| HF (nu) | 36.77 ± 18.64 | 38.8 ± 20.59 | 0.69 |
HR: Heart rate; SD: Standard deviation; SDNN: Standard deviation of NN intervals; RMSSD: Root mean square of successive differences; NN50: Number of pairs of successive NNs that differ by more than 50 ms; pNN50: Proportion of NN50 divided by the total number of NNs; TP: Total power; LF: Low frequency; HF: High frequency; nu: Normalized units.