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.

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