Fig. 6

ROC curve of the NASBA-ELISA assay. The ROC analysis is based on optical density values. Area under the curve = 0.760 (95 % CI 0.650–0.870). Diagonal segments are produced by ties
ROC curve of the NASBA-ELISA assay. The ROC analysis is based on optical density values. Area under the curve = 0.760 (95 % CI 0.650–0.870). Diagonal segments are produced by ties