Results of 221 Reevaluated 18F-FDG PET/CT Scans at Diagnosis of Chronic Q Fever
| Reevaluation | ||
| Finding | n | Q fever–related mortality |
| No infection: grades 1 and 2 | 142 | 3 (2.1%) |
| Inflammation: grades 3a and 4a without perigraft soft-tissue involvement | 16 | 0 |
| Infection: grades 3b and 4b with or without perigraft soft-tissue involvement | 63 | 15 (23.8%) |