TABLE 4.
Percentage of Cases Positive for Immunoglobulins
| Ig | Percent Positive; p Value | EP | BM | BMs | BMc | C | S | V | Any |
|---|---|---|---|---|---|---|---|---|---|
| IgA | Percent positive MS | 79 | 79 | 0 | 46 | 42 | 75 | 4 | 96 |
| Percent positive non-MS | 61 | 54 | 0 | 29 | 17 | 32 | 0 | 88 | |
| p value | 0.13 | 0.05 | > 0.999 | 0.20 | 0.02 | 0.001 | 0.29 | 0.43 | |
| IgG | Percent positive MS | 69 | 62 | 0 | 38 | 31 | 69 | 0 | 77 |
| Percent positive non-MS | 69 | 46 | 0 | 49 | 23 | 40 | 0 | 77 | |
| p value | > 0.999 | 0.52 | > 0.999 | 0.75 | 0.71 | 0.11 | > 0.999 | > 0.999 | |
| IgM | Percent positive MS | 8 | 85 | 0 | 31 | 15 | 85 | 0 | 92 |
| Percent positive non-MS | 26 | 46 | 0 | 31 | 43 | 60 | 0 | 80 | |
| p value | 0.25 | 0.022 | > 0.999 | > 0.999 | 0.099 | 0.17 | >.999 | 0.42 | |
| IgD | Percent positive MS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Percent positive non-MS | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | |
| p value | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | |
| IgE | Percent positive MS | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Percent positive non-MS | 9 | 6 | 0 | 0 | 0 | 0 | 0 | 12 | |
| p value | 0.55 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | > 0.999 | 0.56 |
Any, staining of any of the following components of the choroid plexus; BM, epithelial basement membrane staining; BMc, staining of epithelial basement membrane overlying concretion; BMs, stippled staining of epithelial basement membrane; C, staining of concretion; EP, epithelial cell staining; S, staining of stroma; V, staining of stromal vasculature.
p < 0.0007 after Bonferroni correction.