Table 3.
Results of mean and standard deviation of SudoPath and CAN parameters
| Sudomotor tests, CARTs, and HRV analysis | Diabetic with DNS score ≥1 N=35 | Diabetic with DNS score =0 N=98 | t-testsignificance level |
|---|---|---|---|
| Peak C | 61(8) | 79 (6) | 0.0001 |
| ESRNO | 29 (4) | 42 (6) | 0.0001 |
| ESRCl | 31 (2.4) | 45 (5) | 0.0001 |
| Valsalva ratio | 1.06 (0.10) | 1.17 (0.18) | 0.0008 |
| Deep breathing | 1.12 (0.05) | 1.17 (0.04) | 0.0001 |
| K30/15 | 1.08 (0.04) | 1.11 (0.06) | 0.0069 |
| SPRS | -1.5 (12.5) | -2.01 (14) | NS |
| HRV total power | 532 (63) | 745 (72) | 0.0001 |
| LF/HF | 2.1 (0.16) | 1.64 (0.14) | 0.0001 |
Note: Results were expressed as mean (SD).
Abbreviations: CAN, cardiovascular autonomic neuropathy; CART, cardiac autonomic reflex test; DNS, diabetic neuropathy symptoms; ESRCI, electrochemical skin response Cl-; ESRNO, electrochemical skin response – nitric oxide; HF, high frequency of the HRV spectral analysis; HRV, heart rate variability; K30/15, ratio of heart rate intervals standing at 30 seconds/heart rate intervals standing at 15 seconds; LF, low frequency of the HRV spectral analysis; NS, not significant; Peak C, peak conductance after the change in polarity; SD, standard deviation; SPRS, systolic pressure response to standing.