| Test | Percent positive |
| IgG and/or IgA antigliadin antibodies | 7.50 |
| IgA antigliadin and/or IgA endomysial antibodies | 0.65 |
| Intestinal biopsy performed | 0.57 |
| Villous atrophy seen on biopsy | 0.44 |
| Not biopsied but clinically celiac | 0.04 |
| Previously known celiac | 0.06 |
| TOTAL with diagnosis of celiac disease | 0.54 |
