Table 2.

Sites of pathogen detection in the multicenter study

Site of pathogen detection	S. pyogenes (n = 58)	S. pneumoniae (n = 62)	H. influenza (n = 19)	N. meningitides (n = 2)
Sterile sites
Blood culture	24 (41%)	8 (13%)	4 (21%)	1 (50%)
Cerebrospinal fluid culture	2 (3%)	4 (6%)	0 (0%)	1 (50%)
Bronchoalveolar lavage/tracheal secretion	2 (3%)	14 (23%)	6 (32%)	0 (0%)
Pleural empyema	16 (28%)	14 (23%)	2 (11%)	0 (0%)
Intraoperative swab	9 (16%)	3 (5%)	0 (0%)	0 (0%)
Synovial fluid	2 (3%)	0 (0%)	0 (0%)	0 (0%)
Abscess	2 (3%)	0 (0%)	0 (0%)	0 (0%)
Non-sterile sites
Sputum/throat swab	12 (21%)	25 (40%)	11 (58%)	0 (0%)
Skin/soft tissue/wound swab	6 (10%)	0 (0%)	1 (5%)	0 (0%)
Antigen rapid test	3 (5%)	0 (0%)	0 (0%)	0 (0%)
Antigen test (urine)	0 (0%)	7 (11%)	0 (0%)	0 (0%)
Other	2 (3%)	0 (0%)	0 (0%)	0 (0%
Invasive infection according to NRL definition	43 (74%)	36 (58%)	7 (37%)	2 (100%)

NRL nationwide reference laboratory