| Combined categories | Test of sig. | P | ||
---|---|---|---|---|---|
No neuropathy | Subclinical neuropathy | Confirmed neuropathy | |||
VEGF-A levels | |||||
 Median | 245.3 | 246.25 | 210.2 | F= 10.443* | < 0.001* |
 Min.–max. | 104.2–326.6 | 166.1–336.1 | 107.2–288.7 | ||
 Mean ± SD | 241.38a ± 57.52 | 249.76a ± 47.71 | 198.47b ± 45.26 |