Table 3.

Coefficient of correlation (r) between two-point discrimination and shore values (sh) and the corresponding regression equations in different foot areas of the foot in diabetic subjects without sensation

Foot areas	Correlation coefficient (r)	Regression equation
Right 1, 2	0.394	TPD = −0.108 Sh +6.4315
Right 3, 4	0.114	TPD = −0.02 Sh +2.9694
Right 5, 6, 7	0.044	TPD = −0.0056 Sh +2.974
Right 8	0.361	TPD = −0.0191 Sh +3.2338
Left 1, 2	0.170	TPD = -0.0288 Sh +3.761
Left 3, 4	0.614	TPD = 0.2793 Sh -4.7084
Left 5, 6, 7	0.00007	TPD = -0.0002 Sh +2.9608
Left 8	0.308	TPD = -0.0287 Sh +3.3106
Right 1, 2	0.356	TPD = −0.0836 Sh +5.4331
Right 3, 4	0.109	TPD = −0.0181 Sh +2.8107
Right 5, 6, 7	0.154	TPD = 0.0172 Sh +2.2838
Right 8	0.219	TPD = −0.0131 Sh +3.0161
Left 1, 2	0.118	TPD = −0.0217 Sh +3.4645
Left 3, 4	0.561	TPD = 0.1884 Sh −2.2079
Left 5, 6, 7	0.260	TPD = 0.0275 Sh +2.0772
Left 8	0.216	TPD = −0.0207 Sh +3.0011