TABLE 3.
Comparison of results from core OS typing studies
| Collection | Reference | No. (%) of isolates with core type:
|
Total no. | ||||
|---|---|---|---|---|---|---|---|
| R1 | R2 | R3 | R4 | K-12 | |||
| ECOR, all isolates | This study | 50 (69.4) | 8 (11.1) | 8 (11.1) | 2 (2.8) | 4 (5.6) | 72 |
| ECOR group A | This study | 11 (44) | 7 (28) | 2 (8) | 1 (4) | 4 (16) | 25 |
| ECOR group B1 | This study | 11 (68.8) | 5 (31.2) | 16 | |||
| ECOR group B2 | This study | 15 (100) | 15 | ||||
| ECOR group D | This study | 12 (100) | 12 | ||||
| ECOR minor group (group E) | This study | 1 (25) | 1 (25) | 1 (25) | 1 (25) | 4 | |
| VTEC | This study | 8 (12.3) | 54 (83.1) | 1 (1.5) | 2 (3.1) | 65 | |
| VTEC | 6 | 28 (100) | 28 | ||||
| Non-VTEC commensals from cattle and meats | This studya | 10 (50.0) | 2 (10.0) | 8 (40.0) | 20 | ||
| This study, adjustedb | 10 (58.8) | 2 (11.8) | 5 (29.4) | 17 | |||
| Human fecal isolates | 10 | 11 (52.4) | 4 (19) | 2 (9.5) | 21 | ||
| Bacteremic isolates | 1 | 94 (68) | 9 (6.5) | 12 (8.7) | 7 (5.1) | 3 (2.2) | 138 |
| Septicemic isolates | 10 | 48 (60.8) | 6 (7.6) | 12 (15.2) | 79 | ||
| UTI isolates | 10 | 64 (80) | 4 (5) | 4 (5) | 80 | ||
| Gibb et al. study, total | 10 | 123 (68.3) | 14 (7.8) | 18 (10) | 180 | ||
a
Includes three isolates that are probably VTEC isolates that have lost the VT genes.
b
Excludes three isolates that probably have lost their VT genes.