Overall (n = 235) | HIV positive (n = 99) | HIV negative (n = 136) | ||||
---|---|---|---|---|---|---|

Estimate | 95% CI | Estimate | 95% CI | Estimate | 95% CI | |

Sensitivity (%)
| 27/34, 79.4 | 63.2 - 89.7 | 9/11,81.8 | 52.3-94.9 | 18/23, 78.3 | 58.1-90.3 |

Specificity (%)
| 194/201, 96.5 | 93- 98.3 | 84/88,95.5 | 88.9- 98.2 | 110/113, 97.4 | 92.5- 99.1 |

PPV (%)
| 79.4 | 63.2- 89.7 | 69.2 | 42.4- 87.3 | 85.7 | 65.4- 95 |

NPV (%)
| 96.2 | 93-98.3 | 97.7 | 91.9-99.4 | 95.7 | 90.2- 98.1 |

Diagnostic accuracy (%)
| 94 | 90.3- 96.4 | 93.9 | 87.4-97.2 | 94.1 | 88.8- 97 |

Likelihood ratio (+)
| 22.8 | 16.9 - 30.7 | 18 | 10.5 - 30.8 | 29.5 | 14.9- 58.4 |

Likelihood ratio (-)
| 0.2 | 0.2- 0.3 | 0.2 | 0.1-0.5 | 0.2 | 0.2 - 0.3 |