Concentrations of immunoreactive PEDF in plasmas
| n | Mean | SEM | Median | 25th Percentile | 75th Percentile | p Value* | |
| Control | 30 | 3.9 | 0.3 | 3.9 | 3.1 | 4.7 | |
| DM before | 11 | 7.2 | 0.3 | 7.3 | 6.8 | 7.6 | |
| After 1 day | 11 | 5.8 | 0.4 | 5.7 | 5.3 | 6.4 | <0.001 |
| After 1 week | 11 | 5.8 | 0.5 | 5.6 | 5.0 | 6.6 | <0.001 |
| After 1 month | 11 | 6.3 | 0.6 | 5.8 | 4.4 | 8.2 | >0.05 |
Concentrations of PEDF are in micrograms of immunoreactive PEDF per millilitre of sample.
↵* Two-sided exact repeated-measures analysis of variance by ranks with Tukey's multiple comparison test. A p value was comparison of after versus before an injection in the group of diabetes mellitus.