Table 2 Overall frequency of aetiological agents detected among 181 children hospitalized with community-acquired pneumonia
Aetiological agents | Frequency |
|---|---|
S. pneumoniae | 39 (21.5) |
positive blood culture | 8 (4.4) |
positive blood PCR | 7 (3.9) |
invasive infectiona | 13 (7.2) |
increased paired IgG titres only | 26 (14.4) |
H. influenzae | 13 (7.2) |
M. pneumoniae | 11 (6.1) |
C. trachomatis | 9 (5.0) |
M. catarrhalis | 4 (2.2) |
S. negevensis b | 3 (1.7) |
Rhinovirus | 39 (21.5) |
RSV | 36 (19.9) |
antigen in NPA and increased paired IgG titres | 17 (9.4) |
antigen in NPA | 11 (6.1) |
increased paired IgG titres | 8 (4.4) |
Parainfluenza 1, 2, 3 | 35 (19.3) |
antigen in NPA and increased paired IgG titres | 11 (6.0) |
antigen in NPA | 2 (1.1) |
increased paired IgG titres | 22 (12.2) |
Influenza A, B | 15 (8.3) |
antigen in NPA and increased paired IgG titres | 3 (1.65) |
antigen in NPA | 3 (1.65) |
increased paired IgG titres | 9 (5.0) |
Human bocavirus | 17 (9.4) |
low IgG avidity (<15) | 17 (9.4) |
positive IgM | 16 (8.8) |
qPCR in NPA >10E + 4/ml | 15 (8.3) |
positive qPCR in serum | 4 (2.2) |
IgG seroconversion | 3 (1.65) |
increased paired IgG titres | 2 (1.1) |
Adenovirus | 10 (5.5) |
antigen in NPA and increased paired IgG titres | 3 (1.65) |
antigen in NPA | 1 (0.55) |
increased paired IgG titres | 6 (3.3) |
Enterovirus | 10 (5.5) |
Human metapneumovirus | 8 (4.4) |