Table 1 Five samples with positive tissue transaminase (TTG) antibodies diluted with IgA‐deficient serum.
| TTG theory (Celikey units) | Measured TTG antibody (Celikey units) | TTG optical density (OD units) | EMA |
|---|---|---|---|
| 10 | 10.2 | 0.936 | Moderate |
| 5 | 4.9 | 0.529 | Moderate–weak |
| 3 | 2.8 | 0.31 | Weak |
| 2 | 1.7 | 0.199 | Weak |
| 1 | 0.9 | 0.108 | Very weak |
| 18 | 17.4 | 1.58 | Moderate |
| 9 | 9.1 | 0.95 | Moderate |
| 4.5 | 4.4 | 0.52 | Moderate |
| 2 | 1.8 | 0.24 | Weak |
| 1 | 1 | 0.13 | Very weak |
| 26 | 26.3 | 1.99 | Moderate |
| 13 | 13.8 | 1.06 | Moderate |
| 5.2 | 5.1 | 0.58 | Moderate |
| 2.6 | 2.4 | 0.3 | Weak |
| 1.3 | 1.6 | 0.21 | Very weak |
| 5.8 | 5.8 | 0.64 | Moderate |
| 2.9 | 2.8 | 0.33 | Weak |
| 1.9 | 1.6 | 0.21 | Weak |
| 0.95 | 0.9 | 0.12 | Very weak |
| 0.47 | 0.5 | 0.08 | Negative |
| 8.1 | 8.1 | 0.84 | Moderate |
| 4 | 4.1 | 0.44 | Moderate |
| 2.1 | 2.2 | 0.29 | Weak |
| 1.0 | 1.1 | 0.15 | Very weak |
| 0.5 | 0.6 | 0.08 | Negative |
EMA, endomysium IgA antibody; OD, optical density; TTG, tissue transglutaminase.