Table 3.
Etiological distribution and sensitivity for all pathogens detected by two methods
| Pathogens | Total | Oropharyngeal swab | Bronchoalveolar lavage fluid | P valuea | ||
|---|---|---|---|---|---|---|
| No. identified | Sensitivity (95% CI) | No. identified | Sensitivity (95% CI) | |||
| RSV | 19 | 15 | 79 (54–94) | 16 | 84 (60–97) | NS |
| SP | 17 | 14 | 82 (57–96) | 10 | 59 (33–82) | NS |
| Hi | 16 | 12 | 75 (48–93) | 11 | 69 (41–89) | NS |
| MP | 13 | 8 | 62 (32–86) | 12 | 92 (64–100) | NS |
| Adv | 7 | 4 | 57 (18–90) | 7 | 100 (59–100) | NS |
| BP | 5 | 3 | 60 (15–95) | 4 | 80 (28–99) | NS |
| HBov | 5 | 3 | 60 (15–95) | 4 | 80 (28–99) | NS |
| PIV | 4 | 4 | 100 (40–100) | 3 | 75 (19–99) | NS |
| MC | 4 | 0 | 0 (0–60) | 4 | 100 (40–100) | < 0.05 |
| INF-A | 3 | 1 | 33 (1–91) | 3 | 100 (29–100) | NS |
| INF-B | 2 | 1 | 50 (1–99) | 1 | 50 (1–99) | NS |
| HMPV | 2 | 1 | 50 (1–99) | 2 | 100 (16–100) | NS |
| All pathogens | 97 | 67 | 69 (59–78) | 79 | 81 (72–88) | < 0.05 |
NS non-significant
Adv adenovirus, HBoV human bocavirus, HMPV human metapneumovirus, INF-A influenza A, INF-B influenza B, PIV parainfluenza viruses, RSV respiratory syncytial virus, BP Bordetella pertussis, Hi Haemophilus influenzae, MC Moraxella catarrhalis, MP Mycoplasma pneumoniae, SP Streptococcus pneumoniae
a Chi-squared test or Fisher’s exact test