Table 2.
Concentrations of antibodies in the vitreous humor.
| DR (n = 52) | Non-DR (n = 52) | p value | |
|---|---|---|---|
| IgG1 (ng/ml) | 1654.05 ± 993.35 | 2196.35 ± 1310.44 | 0.019 |
| IgG2 (ng/ml) | 436.01 ± 236.54 | 529.7 ± 237.61 | 0.047 |
| IgG3 (ng/ml) | 478.6 ± 266.97 | 523.2 ± 212.83 | 0.348 |
| IgG4 (ng/ml) | 926.77 ± 888.32 | 1065.81 ± 589.86 | 0.350 |
| IgG (ng/ml) | 3495.42 ± 1682.07 | 4315.05 ± 1477.15 | 0.010 |
| IgA (ng/ml) | 2156.71 ± 1029.42 | 1376.49 ± 469.8 | <0.001∗ |
| IgM (ng/ml) | 2013.55 ± 1877.88 | 471.28 ± 237.1 | <0.001∗ |
| Total antibodies (ng/ml) | 7665.67 ± 2348.57 | 6162.82 ± 1480.91 | <0.001∗ |
Abbreviation: DR: diabetic retinopathy; Ig: immunoglobulin. ∗Statistically significant by independent, two-tailed Student's t-tests (p value < 0.006 after Bonferroni correction).