Table 2.
Misdiagnosis rate by the site of infection (n = 974)
| Site of infection at the initial diagnosis | Misdiagnosis rate (%) | Site of infection at the final diagnosis | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 113/974 (11.6) | Lung | Intra-abdominal | Urinary tract | Soft tissue | Central nervous system | Osteo-articular | Endocardium | Wound | Catheter-related | Implant device-related | Other | Unidentified | |
| Lung | 20/474 (4.2) | 454 | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 7 |
| Intra-abdominal | 7/186 (3.8) | 2 | 179 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Urinary tract | 20/147 (13.6) | 6 | 5 | 127 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 5 |
| Soft tissue | 5/46 (10.9) | 1 | 1 | 1 | 41 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Central nervous system | 7/12 (58.3) | 2 | 1 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 2 | 1 |
| Osteo-articular | 0/6 (0) | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 |
| Endocardium | 1/6 (16.7) | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 1 |
| Wound | 1/4 (25.0) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 |
| Catheter-related | 1/3 (33.3) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
| Implant device-related | 1/2 (50.0) | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Other | 13/51 (25.5) | 5 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 38 | 3 |
| Unidentified* | 37/37 (100) | 6 | 2 | 8 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 16 |
*Patients with an infection of unidentified origin at the initial or final diagnosis were defined as being misdiagnosed