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Table 1 Clinical characteristics of 68 patients with pulmonary actinomycosis

From: Multivariate analysis of prognostic factors in patients with pulmonary actinomycosis

  Number of observed (%) Number of reported
Mean age, years 58.4 ± 11.6 68
Sex, male (%) 47 (69.1) 68
Smoking   64
 Never smoker 22 (34.4)  
 Current or ex-smoker 42 (65.6)  
Alcohol drinking   61
 Never drinker 32 (52.4)  
 Social drinker 20 (32.8)  
 Heavy drinker (>4 times/week) 9 (14.8)  
Systemic disease   68
 Diabetes mellitus 11 (16.2)  
 Malignancy 8 (11.8)  
 Chronic liver disease 4 (5.9)  
 Cerebral vascular accident 2 (2.9)  
 Chronic kidney disease 1 (1.5)  
 Long term steroid use 0 (0.0)  
Pulmonary comorbidities   68
 COPD 13 (19.1)  
 Tuberculosis 7 (10.3)  
 Bronchiectasis 6 (8.8)  
 Lung cancer 2 (2.9)  
 Asthma 1 (1.5)  
Educational background   51
 Low (elementary, middle school) 14 (27.4)  
 Moderate (high school) 16 (31.4)  
 High (college) 21 (41.2)  
Symptoms and signs   68
 Cough 62 (91.2)  
 Sputum production 54 (79.4)  
 Hemoptysis 40 (58.8)  
 Massive hemoptysis 9 (13.2)  
 Chest pain 16 (23.5)  
 Fever 16 (23.5)  
 Weight-loss 16 (23.5)  
 Dyspnea 15 (22.1)  
Chest CT findings   68
 Consolidation 63 (92.6)  
 Central necrosis 42 (61.8)  
 Cavitation 13 (19.1)  
 Peripheral subpleural lesion 44 (64.7)  
 Pleural thickening 47 (69.1)  
 Focal pleural effusion 19 (27.9)  
 Mediastinal lymph node enlargement 27 (39.7)  
 Size of parenchymal lesion, mean (cm, range) 3.9 (1.5-9.0)