TABLE 3.
Patient group | No. of cases
|
No. of controls
|
||
---|---|---|---|---|
Total | Positive | Total | Positive | |
Total osteomyelitis | 75 | 49 | 34b | 12 |
Vertebral osteitis | 18 | 15 | 6 | 2 |
Diabetic foot infection | 17 | 13 | 2 | 0 |
Presence of foreign body | 21 | 9 | 17 | 6 |
Other osteomyelitis | 19 | 12 | 6 | 4 |
Septic arthritis | 17 | 7 | 29c | 10 |
Endocarditis | 21 | 4 | 23d | 7 |
Septicemia | 18 | 1 | 12 | 1 |
Soft tissue infection | 24 | 1 | 3 | 0 |
Respiratory tract infection | NA | 9 | 0 | |
Healthy blood donor | NA | 29 | 1 | |
Total | 155 | 110 | 139 | 53 |
Control samples were from individuals with other defined infections or healthy blood donors. Patients with titers above the cutoff for anti-Bbp IgG are indicated as positive. NA, not applicable.
Coagulase-negative staphylococci were found in positive samples among control patients in 8/17 patients of the osteomyelitis group.
Coagulase negative-staphylococci were found in positive samples among control patients in 4/10 patients of the septic arthritis group.
Coagulase-negative staphylococci were found in positive samples among control patients in 2/3 patients of the endocarditis group.