Table 3 |
|||
|
Summary of data for microscopy and LJ culture. |
|||
|
Culture and Smear Microscopy |
|||
|
Culture +ve |
Culture -ve |
Total |
|
|
|
|||
|
Smear +ve |
148(32.0) |
80(17.2) |
228(49.2) |
|
Smear -ve |
44(9.5) |
191(41.2) |
235(50.7) |
|
Total |
192(41.5) |
271(58.5) |
463(100) |
|
Analysis of data |
|||
|
Value |
95% Confidence Interval |
||
|
Sensitivity |
0.77 |
0.70 to 0.83 |
|
|
Specificity |
0.70 |
0.65 to 0.76 |
|
|
PPV |
0.65 |
0.58 to 0.71 |
|
|
NPV |
0.81 |
0.76 to 0.86 |
|
|
Likelihood Ratio |
2.61 |
||
|
|
|||
|
Indicated values are n(%). |
|||
|
Mashta et al. Journal of Negative Results in BioMedicine 2011 10:16 doi:10.1186/1477-5751-10-16 |
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