Tuberculosis Research and Treatment / 2019 / Article / Tab 2

Research Article

Diagnostic Yield of Fluorescence and Ziehl-Neelsen Staining Techniques in the Diagnosis of Pulmonary Tuberculosis: A Comparative Study in a District Health Facility

Table 2

Correlation of fluorescence and ZN staining techniques with Xpert MTB/Rif.

Staining TechniqueXPERT MTB/RifKappaP-valuePPV (%)NPV (%)
PositiveNegative

Fluorescence
Positive71 (84.5)0 (0.0)0.864p≤0.00110092.1
Negative13 (15.5)116 (100)
ZN
Positive46 (54.8)0 (0.0)0.584p≤0.00110077.3
Negative38 (45.2)116 (100)

Data is represented in raw figures and percentages. P-value is statistically significant if p < 0.05 as compared between Xpert MTB/Rif and fluorescence microscopy, Xpert MTB/Rif and ZN.

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