TABLE 1.
Distribution of the 212 S. anginosus group clinical isolates studied, by patient age group and source
| Basis of comparison | No. of isolates |
||||||
|---|---|---|---|---|---|---|---|
| S. anginosus subsp. anginosus | S. anginosus subsp. whileyi | S. constellatus subsp. constellatus | S. constellatus subsp. pharyngis | S. constellatus subsp. viborgensis | S. intermedius | Total | |
| Age group (yr) | |||||||
| 0–18 | 11 | 1 | 14 | 1 | 2 | 0 | 29 |
| 19–65 | 66 | 4 | 37 | 1 | 4 | 3 | 115 |
| >65 | 39 | 0 | 25 | 0 | 0 | 4 | 68 |
| Source | |||||||
| Invasive | |||||||
| Blood | 31 | 2 | 25 | 0 | 1 | 5 | 64 |
| Peritoneal fluid | 36 | 0 | 17 | 0 | 1 | 0 | 54 |
| Pleural fluid | 4 | 0 | 6 | 0 | 0 | 1 | 11 |
| SSTIa | 11 | 0 | 7 | 0 | 0 | 1 | 19 |
| Otherb | 3 | 0 | 2 | 0 | 0 | 0 | 5 |
| Total | 85 | 2 | 57 | 0 | 2 | 7 | 153 |
| Noninvasive | |||||||
| Respiratory tract sourcesc | 7 | 2 | 4 | 1 | 3 | 0 | 17 |
| SSTIa | 6 | 0 | 3 | 0 | 0 | 0 | 9 |
| Otherb | 3 | 0 | 4 | 0 | 1 | 0 | 8 |
| Total | 31 | 3 | 19 | 2 | 4 | 0 | 59 |
| Pus (unknown origin) | 15 | 1 | 8 | 1 | 0 | 0 | 25 |
| Total | 116 | 5 | 76 | 2 | 6 | 7 | 212 |
a
SSTI, skin and soft tissue infections. Sources included pus from phlegmons, Ludwig's anginas, cervical abscesses, internal organ abscesses, surgical wounds, and collected limb abscesses.
b
Including urine, auricular and ocular exudates, and pus from thoracic abscesses, pelvic abscesses, bone biopsy specimens, and draining abscesses.
c
Including pharyngeal exudates, sputum, and bronchoalveolar lavage fluid.