Pathogen | Conventional diagnostics# | Conventional diagnostics + UAD¶ | ||||
Definite+ pathogen | Probable§ pathogen | Totalƒ | Definite+ pathogen | Probable§ pathogen | Totalƒ | |
Streptococcus pneumoniae | 240 | 17 | 257 (23.5) | 347 | 10 | 357 (32.6) |
Haemophilus influenzae | 1 | 37 | 38 (3.5) | 1 | 34 | 35 (3.2) |
Legionella pneumophila | 25 | 25 (2.3) | 25 | 25 (2.3) | ||
Pseudomonas aeruginosa | 4 | 11 | 15 (1.4) | 4 | 7 | 11 (1.0) |
Moraxella catarrhalis | 8 | 8 (0.7) | 7 | 7 (0.6) | ||
Klebsiella spp. | 3 | 9 | 12 (1.1) | 3 | 8 | 11 (1.0) |
Escherichia coli | 5 | 6 | 11 (1.0) | 5 | 6 | 11 (1.0) |
Staphylococcus aureus | 3 | 4 | 7 (0.6) | 3 | 4 | 7 (0.6) |
Other | 11 | 19 | 30 (2.7) | 11 | 18 | 29 (2.6) |
Unknown | 692 (63.2) | 602 (55.0) |
Data are presented as n or n (%). UAD: urinary antigen detection. #: causative pathogen based on the results of blood or other sterile fluid culture, immunochromatographic assay (ICA) urinary antigen test only and sputum culture; ¶: causative pathogen based on results of blood or other sterile fluid culture, ICA urinary antigen test and UAD test results and sputum culture; +: pathogen cultured from blood or any other sterile body fluid or if the urinary antigen test was positive; §: pathogen identified in the absence of a definite pathogen and if it was present as dominant flora in the sputum culture; ƒ: n=1095.