Table 4.
Coefficient of correlation (r) between two-point discrimination and Power ratio (PR) values and the corresponding regression equations in different foot areas of the foot in diabetic subjects
| Foot areas | Correlation coefficient (r) | Regression equation |
|---|---|---|
| Right 1, 2 | 0.95 | TPD = 0.363 PR −5.7705 |
| Right 3, 4 | 0.063 | TPD = −0.0048 PR +2.2371 |
| Right 5, 6, 7 | 0.109 | TPD = −0.0328 PR +3.2591 |
| Right 8 | NA | |
| Left 1, 2 | 0.309 | TPD = −0.0715 PR +4.251 |
| Left 3, 4 | 0.82 | TPD = −0.0768 PR +3.536 |
| Left 5, 6, 7 | 0.78 | TPD = −0.1202 PR +5.358 |
| Left 8 | 0.252 | TPD = −0.035 PR +2.65 |