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Table 1 Positivity rates of MTB in different types of samples (n = 766)

From: PCR could be a method of choice for identification of both pulmonary and extra-pulmonary tuberculosis

Sr. No. Type of Sample Total Samples Received Found Positive Percentage
1 Serum 41 2 4.8%
2 Blood 88 32 36.3%
3 Urine 225 105 46.6%
4 CSF 76 32 42.1%
5 Ascitic Fluid 133 90 67.6%
6 Pleural Fluid 98 51 52%
7 Pericardial Fluid 10 3 30%
8 Pus 44 17 38.6%
9 Bone Marrow 5 3 60%
10 Sputum 36 14 38.8%
11 BAL 10 7 70%
12 Total 766 356 46.4%
  1. MTB: Mycobacterium tuberculosis; CSF: cerebro spinal fluid; BAL: bronchoalveolar lavage;