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Comparison of LAMP and smear in series and parallel for the diagnosis of pulmonary tuberculosis
| Culture+ | Culture– | Se % (95% CI) | Sp % (95% CI) | PPV (%) | NPV (%) | κ | ||
|---|---|---|---|---|---|---|---|---|
| 2tests in serial | Pos | 19 | 0 | 67.8(49.3–82.1) | 100(92.3–100) | 100 | 84.7 | 0.83 |
| Neg | 9 | 50 | ||||||
| 2tests in parallel | Pos | 24 | 2 | 85.7(68.5–94.3) | 96(86.5–98.9) | 92.3 | 92.3 | 0.786 |
| Neg | 4 | 48 |
Se Sensitivity, Sp Specificity, PPV Positive predictive value. NPV Negative predictive value, κ Kappa value, CI confidence interval
