Table 2. Patients with a Helpful Tibial Nerve Block at 7 Weeks Compared to Non-responders a.
| Helpful Tibial Nerve Block (n = 37) | Failed Tibial Nerve Block (n = 39) | P-Value | |||
|---|---|---|---|---|---|
| Prevalence (%) | Mean, SEM | Prevalence (%) | Mean, SEM | ||
| Age (y) | 61, 2.0 | 60, 2.4 | 0.977 | ||
| Gender (male) | 37 | 31% | 0.931 | ||
| Diabetic (yes/no) | 11 | 15% | 0.526 | ||
| Limited walking distance (m) | 52 | 76% | 0.035 b | ||
| Thermographic measurements before the procedure (°C) | |||||
| Mean temperature | 24.4, 0.31 | 25.4, 0.34 | 0.040 b | ||
| Difference temperature at ROI A and mean temperature | -0.2, 0.12 | -0.7, 0.20 | 0.043 b | ||
| Difference temperature at ROI BM and mean temperature | 2.1, 0.14 | 2.1, 0.15 | 0.978 | ||
| Difference temperature at ROI BL and mean temperature | 0.4, 0.15 | 0.1, 0.15 | 0.173 | ||
| Difference temperature at ROI CM and mean temperature | -0.3, 0.12 | 0.1, 0.19 | 0.102 | ||
| Difference temperature at ROI CL and mean temperature | -0.9, 0.10 | -1.0, 0.12 | 0.487 | ||
| Difference temperature at ROI GT and mean temperature | -1.2, 0.17 | 0.2, 1.43 | 0.076 | ||
| Thermographic measurements after the procedure (°C) | |||||
| Mean temperature | 24.7, 0.41 | 26.0, 0.40 | 0.027 b | ||
| Difference temperature at ROI A and mean temperature | -0.2, 0.16 | -0.7, 0.23 | 0.040 b | ||
| Difference temperature at ROI BM and mean temperature | 2.1, 0.16 | 1.5, 0.23 | 0.036 b | ||
| Difference temperature at ROI BL and mean temperature | 0.3, 0.18 | 0.1 0.19 | 0.371 | ||
| Difference temperature at ROI CM and mean temperature | -0.2, 0.13 | 0.1, 0.16 | 0.093 | ||
| Difference temperature at ROI CL and mean temperature | -0.8, 0.12 | -0.7, 0.18 | 0.478 | ||
| Difference temperature at ROI GT and mean temperature | -1.2, 0.24 | -0.3, 0.23 | 0.008 b | ||
Abbreviation: SEM, standard error of the mean; ROI, region of interest.
a A, BM, BL, CM, CL, GT: Specific measure points at the plantar feet (see methods).
b Significant.