Performance Characteristics of Screened Symptom for Bacteriologically Positive TB, by Age Status, China, 2010.

PPV, positive predictive value; NPV, negative predictive value; AUC, area under the receiver operating characteristic curveIn analysis of cough and haemoptysis, the AUC for any duration of cough were significantly larger than for haemoptysis (PWhen analysis was conducted in participants under aged 65, the sensitivities of cough of any duration/ Cough or haemoptysis of any duration were significantly higher than that of suspected symptom defined by China NTP (P* Compared with participants aged under 65, P** Compared with participants aged under 65, PPerformance Characteristics of Screened Symptom for Bacteriologically Positive TB, by Age Status, China, 2010.