Table 1 Evaluation of IFA, multiplex and ELISA antinuclear antibody testing in pediatric JIA patients
From: Comparison of multiplex, ELISA and immunofluorescence for detecting autoantibodies in JIA patients
| Â | Â | Number testing positive | ||||
|---|---|---|---|---|---|---|
| Â | Â | IFA | Multiplex | ELISA | ||
Types of JIA | # of Samples (n-184) | Hep-2 | Microparticle | A. | B. | C. |
Pauciarticular | 82 | 62 | 27 *(3) + **(7) | 4 + *(1) | 32 + *(5) | 52 + *(8) |
Polyarticular | 63 | 34 | 16 *(2) + **(1) | 10 + *(4) | 30 + *(14) | 46 + *(21) |
Systemic | 19 | 3 | 5 + *(4) | 1 + *(1) | 6 + *(4) | 12 + *(12) |
All JIA with ≥ 1:160 IFA | 164 | 52 | 22 |  |  |  |
Normals | 20 | 6 | 1 + **(2) | 0 + **(2) | 4 + *(1) | 5 + *(2) |