Table 2 The measured CSAs of the control, idiopathic, diabetic and DPN groups

i4

12.6 ± 3.0 (12.0, 6.0-19.0)

17.5 ± 6.4 (16.5, 8.0-39.0)

20.4 ± 5.4 (19.5, 13.0-34.0)

20.9 ± 13.8(15.5, 8.4-62.0)

0.015*

0.109

0.000^*

i3

12.2 ± 2.9 (12.0, 6.0-19.0)

16.3 ± 5.8 (15.5, 8.0-33.0)

19.3 ± 5.5 (19.0, 10.0-31.0)

19.0 ± 9.1 (15.5, 8.4-43.0)

0.015*

0.310

0.000^*

i2

11.5 ± 2.5 (11.0, 7.0-18.0)

12.5 ± 3.7 (12.0, 6.0-29.0)

14.2 ± 3.9 (13.5, 9.0-24.0)

13.6 ± 5.9 (11.5, 9.0-34.0)

0.026*

0.242

0.010^*

i1

10.8 ± 2.1 (10.2, 7.0-17.0)

14.0 ± 4.8 (13.0, 8.0-28.0)

15.5 ± 4.4 (14.8, 7.7-26.1)

12.7 ± 3.1 (13.0, 7.0-21.0)

0.105

0.043^*

0.000^*

w

11.8 ± 2.6 (11.0, 8.0-19.0)

16.2 ± 4.5 (15.0,11.0-31.0)

17.9 ± 6.6 (16.0, 8.1-45.8)

14.8 ± 4.7 (13.5, 8.0-28.0)

0.217

0.039^*

0.000^*

o1

10.6 ± 2.4 (10.0, 6.0-16.0)

14.0 ± 3.7 (13.4, 8.0-23.0)

15.4 ± 5.9 (14.0, 7.0-42.8)

14.3 ± 5.5 (13.0, 7.0-30.0)

0.237

0.458

0.000^*

o2

11.0 ± 2.6 (10.5, 7.0-17.0)

12.2 ± 2.6 (12.0, 8.0-19.5)

13.8 ± 4.0 (13.0, 8.6-29.0)

12.8 ± 5.3 (12.5, 7.4-29.0)

0.090

0.181

0.006^*

o3

10.0 ± 2.4 (9.5, 7.0-15.0)

10.8 ± 2.2 (10.4, 6.0-16.0)

12.4 ± 3.5 (11.7, 7.0-20.0)

12.2 ± 4.0 (10.5, 8.7-25.0)

0.060

0.601

0.017^*