(A) ≥200 cells x 10^{∧}6/L with HIV-negative patients | |||

Variables | HIV-negative N=358 | HIV-positive CD4 count ≥200 cells x 10^{∧}6/L N=61 | P value |

Non-invasive positive pressure ventilation use, N (%) | 91 (25.4%) | 30 (49.2%) | 0.0004 |

Length of stay on non-invasive positive pressure ventilation, Mean (SD) days | 2.670 (1.571) | 2.567 (1.675) | 0.639 |

Mechanical ventilation use, N (%) | 3 (0.8%) | 0 (0%) | 1 |

Need for ICU admission, N (%) | 30 (8.4%) | 6 (9.8%) | 0.628 |

Length of stay in hospital, Mean (SD) days | 2.813 (1.712) | 3.656 (2.921) | 0.002 |

(B) <200 cells/µL with HIV-negative patients | |||

Variables | HIV-negative N=358 | HIV-positive CD4 counts <200 cells x 10^{∧}6/LN=32 | P value |

Non-invasive positive pressure ventilation use, N (%) | 91 (25.4%) | 11 (34.4%) | 0.414 |

Length of stay on non-invasive positive pressure ventilation, Mean (SD) days | 2.670 (1.571) | 2.818 (1.940) | 0.617 |

Mechanical ventilation use, N (%) | 3 (0.8%) | 0 (0%) | 1 |

Length of stay in ICU, Mean (SD) days | 30 (8.4%) | 0 (0%) | 0.156 |

Length of stay in hospital, Mean (SD) days | 2.813 (1.712) | 2.969 (2.163) | 0.629 |

(C) ≥200 cells x 10^{∧}6/L with HIV-positive with CD4 count <200 cells x 10^{∧}6/L | |||

Variables | HIV-positive CD4 count ≥200 cells x 10^{∧}6/LN=61 | HIV-positive CD4 counts <200 cells x 10^{∧}6/LN=32 | P value |

Non-invasive positive pressure ventilation use, N (%) | 30 (49.2%) | 11 (34.4%) | 0.194 |

Length of stay on non-invasive positive pressure ventilation, Mean (SD) days | 2.567 (1.675) | 2.818 (1.940) | 0.518 |

Mechanical ventilation use, N (%) | 0 (0%) | 0 (0%) | 1 |

Length of stay in ICU, Mean (SD) days | 6 (9.8%) | 0 (0%) | 0.09 |

Length of stay in hospital, Mean (SD) days | 3.656 (2.921) | 2.969 (2.163) | 0.244 |

ICU, intensive care unit.