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Table 3 Various predisposing factors and comorbidities in patients with CNS Actinomycosis

From: The epidemiology, clinical presentation and treatment outcomes in CNS actinomycosis: a systematic review of reported cases

Predisposing conditions

N (%)

Dental procedure/tooth extraction

18 (15.3)

Dental infections

17 (14.4)

Head trauma/past surgery

14 (11.9)

Otitis media/mastoiditis

13 (11)

Corticosteroids/other immunosuppressants

11 (9.3)

Chronic alcoholism

10 (8.5)

Diabetes mellitus

8 (6.8)

Malignancy

8 (6.8)

Ischemic heart disease

9 (7.6)

Chronic obstructive pulmonary disease

5 (4.2)

Autoimmune diseases

4 (3.4)

Chronic kidney disease

3 (2.5)

Chronic liver disease

2 (1.7)