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  Indian J Med Microbiol
 

Figure 1: The ROC analysis for evaluating the diagnostic performance of pleural LDH-to-ADA ratio and ADA level in TPE, PPE, and MPE owing to primary lung cancers. (a) Pleural LDH-to-ADA ratio for diagnosing TPE; (b) pleural ADA level for diagnosing TPE; (c) pleural LDH-to-ADA ratio for diagnosing PPE; (d) pleural LDH-to-ADA ratio for diagnosing MPE owing to primary lung cancers. ROC: Receiver operating characteristic; AUC: Area under the curve; LDH: Lactate dehydrogenase; ADA: Adenosine deaminase; TPE: Tuberculous pleural effusion; PPE: Parapneumonic pleural effusion; MPE: Malignant pleural effusion.

Figure 1: The ROC analysis for evaluating the diagnostic performance of pleural LDH-to-ADA ratio and ADA level in TPE, PPE, and MPE owing to primary lung cancers. (a) Pleural LDH-to-ADA ratio for diagnosing TPE; (b) pleural ADA level for diagnosing TPE; (c) pleural LDH-to-ADA ratio for diagnosing PPE; (d) pleural LDH-to-ADA ratio for diagnosing MPE owing to primary lung cancers. ROC: Receiver operating characteristic; AUC: Area under the curve; LDH: Lactate dehydrogenase; ADA: Adenosine deaminase; TPE: Tuberculous pleural effusion; PPE: Parapneumonic pleural effusion; MPE: Malignant pleural effusion.