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Table 3 Comparison of sputum smear-positive and Xpert® MTB/RIF assay results, by HIV status

From: Evaluation of the Xpert® MTB/RIF assay and microscopy for the diagnosis of Mycobacterium tuberculosis in Namibia

HIV Status

Within Xpert® result

Positive

No.

%

Positive

Sputum smear-positive

263

77.1

Total

341

100.0

Negative

Sputum smear-positive

102

74.5

Total

137

100.0

Unknown

Sputum smear-positive

78

67.2

Total

116

100.0

Total

(defined as Xpert® positive)

443

74.6

Total

594

100.0