Results of the specific antibodies serum levels determined by the enzyme-linked immunosorbent assay (ELISA) and by the double agar gel immunodiffusion test (DID) in 21 patients with relapse of paracoccidioidomycosis.

<p>Comparison of the serum levels observed before treatment and at the time of relapse.</p><p>— serum not available; NR: nonreactive; cut off/ELISA = 0.710; cut off/DID = NR.</p><p>Evaluation of pretreatment/sensitivity: DID = 76.1% ELISA = 76.1% p = 0.25.</p><p>Comparison of sensitivity between the pretreatment and time to relapse:</p><p>DID: pretreatment = 80% relapse = 45% p = 0.017.</p><p>ELISA: pretreatment = 80% relapse = 65% p = 0.125.