Table 2 Characteristics of studies included in the meta-analysis a
Study | Year | PCT available n/N (assay) | Study design | Inclusion criteria | H1N1-positive (%)b | Bacterial infection (%)b | Hospital-acquired pneumonia (%)b | Antibiotics before admission (%)b | Immune disorder (%)b |
|---|---|---|---|---|---|---|---|---|---|
Piacentini et al. [20] | 2010 | 22/22 (not reported) | Prospective | Adults, ICU, community-acquired pneumonia | 45 | 50 (cultures, antigen) | 0 | 100 | 5 |
Hammond et al. [17] | 2011 | 17/17 (VIDAS B•R•A•H•M•S PCT) | Retrospective | Adults, ICU, respiratory tract infection | 82 | 41 (cultures) | 0 | n.a. | 0 |
Cuquemelle et al. [16] | 2011 | 52/103 (B•R•A•H•M•S KRYPTOR PCT) | Prospective | Adults, ICU, community-acquired pneumonia, H1N1-positive | 100 | 37 (cultures, antigen) | 0 | 0 | 6 |
Ingram et al. [18] | 2010 | 16/25 (VIDAS B•R•A•H•M•S PCT) | Retrospective | Adults, ICU, community-acquired pneumonia, positive for H1N1 or bacterial infection | 63 | 38 (cultures, seroconversion) | 0 | 94 | 6 |
Paiva et al. [19] | 2012 | 29/29 (VIDAS B•R•A•H•M•S PCT) | Prospective | Adults, ICU, pneumonia, suspected H1N1 | 41 | 21 (cultures) | 0 | 41 | 14 |