Table 3. Correlations between morphometric characteristics of neuromuscular junction (NMJ) and motor performance in diabetes mellitus (DM) group and between morphometric characteristics of NMJ and morphometric characteristics of measured muscles (DM group).
| Correlated variables | Tau Kendall's correlation coefficient | |||
|---|---|---|---|---|
| Biceps | Triceps | Finger flexor | Finger extensor | |
| NMJ area vs % of success in motor reaching task test | 0.914 | 0.958 | 0.926 | 0.876 |
| NMJ perimeter vs % of success in motor reaching task test | 0.878 | 0.845 | 0.930 | 0.944 |
| NMJ maximum diameter vs % of success in motor reaching task test | 0.909 | 0.965 | 0.955 | 0.850 |
| NMJ area vs muscle fiber CSA | 0.795 | 0.924 | 0.832 | –0.949 |
| NMJ maximum diameter vs muscle fiber CSA | 0.899 | 0.840 | 0.842 | –0.907 |
| NMJ area vs % of connective tissue (in each muscle) | –0.940 | 0.871 | 0.808 | –0.928 |
| NMJ perimeter vs % of connective tissue (in each muscle) | –0.911 | –0.880 | –0.862 | –0.907 |
| NMJ maximum diameter vs % of connective tissue (in each muscle) | –0.943 | 0.871 | –0.985 | –0.928 |
Only correlations with a significant result are reported in this table. Number of animals: 6 per group. CSA: cross sectional area.