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Table 1 Framework of problem analysis for TB case finding

From: Barriers to accessing TB diagnosis for rural-to-urban migrants with chronic cough in Chongqing, China: A mixed methods study

Step 1 Awareness -- The patient is aware that he/she is suffering from symptoms or complaints, which could be TB  
Step 2 Motivation -- The patient suffering from symptoms which could be TB contacts a health care delivery point Case
Step 3 Selection -- The health professional suspects TB and requests a X-ray and sputum examination (smear) Finding
Step 4 Examination -- The sputum test is correctly carried out on the patients thus selected