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Table 3 age category v AFB status

From: The value of one versus three sputum smear examinations for diagnosis of pulmonary tuberculosis in Asella hospital, South-East Ethiopia

Age category AFB status % of positive  
Positive Negative   
15–25 303 1682 4.3  
26–45 256 2664 3.7 P < 0.00001
46–60 59 1321 0.8  
>60 19 708 0.3  
Total 637 6375 9.1