Table 2.
Distribution of ANA-IIFA patterns according to DNA-ELISA results and titers.
| DNA-ELISA Results ANA-IF Patterns | ELISA-Negative | ELISA-Equivocal | ELISA-Positive 30–50 IU/mL |
ELISA-Positive >50 IU/mL |
Total |
|---|---|---|---|---|---|
| Homogeneous (Ho) | 8 | 12 | 13 | 18 | 51 |
| Speckled (Sp) | 5 | 10 | 3 | 2 | 20 |
| Mixed Ho-Sp | 0 | 0 | 0 | 14 | 14 |
| Other Patterns | 3 | 1 | 0 | 0 | 4 |
| ANA-Negative | 15 | 9 | 0 | 0 | 24 |
| CLIFT | 0 | 0 | 4 | 27 | 31 |
| Total | 31 | 32 | 16 | 34 | 113 |
DNA: deoxyribonucleic acid; ELISA: enzyme-linked immunosorbent assay; CLIFT: Crithidia luciliae immunofluorescence test; ANA-IIFA: antinuclear antibody immunofluorescence assay.