Fig. 2From: Pleural fluid adenosine deaminase to serum C-reactive protein ratio for diagnosing tuberculous pleural effusionReceiver operating characteristic (ROC) curve of pleural fluid ADA to serum CRP ratio, pleural fluid ADA and serum CRP. Area under the ROC curves for ADA/CRP: 0.94 (95% confidence interval [CI], 0.89โ0.99), for ADA: 0.90 (95% confidence interval [CI], 0.82โ0.98), for CRP: 0.32 (95% confidence interval [CI], 0.17โ0.46)Back to article page