Table 1.
Asleep data statistics
| Normal | Diabetic normal | Small fiber diabetic polyneuropathy | Advanced diabetic polyneuropathy | Significance | |
|---|---|---|---|---|---|
| n | 25 | 18 | 14 | 25 | |
| Average foot temperature* | 34.8 ± 0.75 | 33.6 ± 0.60 | 33.2 ± 0.89 | 33.9 ± 1.11 | <0.001 |
| Maximum foot temperature* | 35.9 ± 0.31 | 35.1 ± 0.38 | 34.8 ± 0.53 | 35.2 ± 0.34 | <0.001 |
| Minimum foot temperature* | 32.1 ± 1.78 | 31.4 ± 2.94 | 31.2 ± 1.31 | 29.5 ± 2.53 | 0.025 |
| SD of foot temperature | 0.89 ± 0.45 | 1.02 ± 0.65 | 0.86 ± 0.21 | 1.27 ± 0.66 | 0.006 |
| Positive rate of change | 0.06 ± 0.03 | 0.08 ± 0.04 | 0.07 ± 0.03 | 0.08 ± 0.04 | 0.041 |
| Negative rate of change | −0.21 ± 0.05 | −0.25 ± 0.07 | −0.22 ± 0.06 | −0.28 ± 0.07 | 0.001 |
| Wavelet energy* | 0.38 ± 0.22 | 0.60 ± 0.55 | 0.54 ± 0.41 | 0.75 ± 0.59 | 0.005 |
Data are means ± SD.
*Given the nonparametric distribution of these data, significance was computed via individual Mann-Whitney U tests with Bonferroni's correction; differences are presented as median values rather than means. Boldface represents statistical significance.