Table 3. HRV feature correlations with age for the 8 T2DM groups.
| HRV Features | CONT | ALL-C | RNp | NNp | RN | DPNn | R | Np |
|---|---|---|---|---|---|---|---|---|
| mRR | 0.26 | 0.37 | 0.21 | 0.2 | -0.38 | 0.13 | 0.34* | -0.4 |
| SDNN | -0.26 | 0.12 | -0.32 | 0.2 | -0.39* | -0.15 | -0.09 | -0.65* |
| SD1 | -0.5* | 0.19 | -0.52* | -0.4 | -0.19 | -0.21 | 0.11 | -0.65* |
| SD2 | -0.22 | 0.04 | -0.29 | 0.2 | -0.41* | -0.12 | -0.1 | -0.6 |
| LF | -0.23 | 0.07 | -0.23 | 0.2 | -0.41* | -0.28 | 0.09 | -0.8† |
| HF | -0.31 | 0.19 | -0.52* | 0.2 | -0.28 | -0.12 | 0.12 | -0.48 |
| LF/HF | 0.19 | -0.09 | 0.29 | 0.6 | -0.32 | -0.45 | 0.1 | -0.69* |
| E1 | -0.51* | 0.28 | -0.52* | -0.4 | -0.17 | -0.15 | 0.12 | -0.65* |
| E2 | -0.51* | 0.16 | -0.59† | -0.4 | -0.18 | -0.3 | -0.01 | -0.71* |
| E3 | -0.54† | 0.05 | -0.63† | -0.4 | -0.24 | -0.35 | -0.16 | -0.84† |
| E4 | -0.5* | 0.004 | -0.49* | -0.4 | -0.28 | -0.57 | -0.14 | -0.85† |
| E5 | -0.47* | 0.07 | -0.53* | 0.2 | -0.24 | -0.38 | -0.14 | -0.83† |
| E6 | -0.55† | -0.01 | -0.55† | 0.2 | -0.23 | -0.36 | -0.14 | -0.85† |
| E7 | -0.49* | 0.04 | -0.47* | 0.2 | -0.25 | -0.39 | -0.15 | -0.85† |
| E8 | -0.5* | 0.02 | -0.46* | 0.2 | -0.31 | -0.35 | -0.12 | -0.84† |
†: significantly different from CONT (p< 0.01)
*: significantly different from CONT (p<0.05)