Table 1.
Clinical, Demographic, and Microbiologic Features Are Significantly Associated with Airway Bacterial β-Diversity in Patients with HIV and Pneumonia
| Variable | Sample (n) | Yes/No* | Min–Max (Median) | PERMANOVA |
|
|---|---|---|---|---|---|
| R2 | P Value | ||||
| Clinical and demographic | |
||||
| 70-day mortality† | 182 | 143/39 (live/dead) | 0.006 | 0.053 | |
| Alcohol ever consumed | 182 | 113/69 | 0.015 | 0.045 | |
| Ceftriaxone at bronchoscopy | 174 | 54/120 | 0.061 | 0.001 | |
| Ceftriaxone within last 2 wk | 178 | 137/41 | 0.016 | 0.040 | |
| Culture identified Aspergillus | 157 | 15/142 | 0.038 | 0.004 | |
| Sex | 182 | 110/72 (F/M) | 0.021 | 0.017 | |
| TB-positive by culture | 182 | 40/1/141 (positive/scanty/negative) | 0.027 | 0.021 | |
| Microbiologic | |
||||
| Chao1 | 182 | 170–1,326 (484.1) | 0.080 | 0.001 | |
| Faith’s phylogenetic diversity | 182 | 8.792–45.83 (21.97) | 0.091 | 0.001 | |
| Observed species | 182 | 39–865 (340.5) | 0.076 | 0.001 | |
| Shannon diversity | 182 | 0.642–6.427 (4.011) | 0.169 | 0.001 | |
| Simpson diversity | 182 | 0.112–0.977 (0.867) | 0.154 | 0.001 | |
Definition of abbreviations: Max = maximum; Min = minimum; PERMANOVA = permutational multivariate analysis of variance; TB = tuberculosis.
Unless otherwise noted.
PERMANOVA value calculated using a Canberra distance matrix.