TABLE 2.
Frequency of positive results and range of positive values in other serologic tests for CD for three subsets of sera from the group tested for EMA
| Assay criteriona | EMA-positive sera (n = 25)
|
IgA-deficient sera (n = 26)
|
Control sera (n = 26)
|
|||
|---|---|---|---|---|---|---|
| No. (%) of serum samples | Range | No. (%) of serum samples | Range | No. (%) of serum samples | Range | |
| TG-IgA, ≥20 | 23 (92) | 20–>200 | 1 (4) | 21 | 1 (4) | 35 |
| Gliadin IgA, ≥20 | 20 (80) | 25–>200 | 0 (0) | 1 (4) | 35 | |
| Gliadin IgG, ≥15 | 21 (84) | 17–>140 | 8 (31) | 18–57 | 3 (12) | 19–26 |
| EMG, ≥1:5 | 15 (60) | 1:5–≥1:1,280 | 2 (8) | 1:5–1:20 | 0 (0) | |
| TG-IgG, ≥0.20 | 8 (32) | 0.22–2.59 | 1 (4) | 1.07 | 0 (0) | |
a
Units of measure: TG-IgA, units; gliadin IgA, units; gliadin IgG, units; EMG, titer; TG-IgG, OD.