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. 2022 Feb 3;12:1883. doi: 10.1038/s41598-022-05911-7

Table 2.

Distribution and percentage of final clinical diagnoses and sub-groups.

Causes Patients Percentage Final clinical diagnosis
Cause unknown 49 16.3% Infectious? (15), autoimmune? (15), various diagnoses (12), uncertain (19)
Autoimmune/rheumatic diseases 51 17.0% Large vessel vasculitis (14), Polymyalgia rheumatica (7), Rheumatoid arthritis (15), various connective tissue diseases (8), various autoimmune disorders (8)
Malignancy 33 11.0% Solid cancers (21), malignant myeloproliferative disease (12)
Infectious diseases 109 36.3% Pneumonia (29), prosthetic infection (16), endocarditis (9), soft tissue infection (17), infective arthritis (9), septicemia (14), various infectious diseases (15)
Spontaneous remission 49 16.3% Exclusion of active infectious disease (28), exclusion of residual malignancy (13), exclusion of various diagnoses (8)
Miscellaneous 9 3.0% Miscellaneous diseases (9)