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Table 1 Characteristics of study subjects with NSP (n = 154)

From: An update of the long-term outcome of patients with nonspecific pleurisy at medical thoracoscopy

Variables Values
Age, years, mean ± SD 61.8 ± 14.5
Sex, male/female, n (%) 98/56 (63.6/36.4)
Smoking status, n (%)  
 Non-smoker 81 (52.6)
 Current or previous smoker 73 (47.4)
Follow up duration (months) 61.5 ± 43.7
Diagnosis of pleural malignancy during follow-up  
 Lung cancer 7 (36.8)
 Mesothelioma 6 (31.6)
 Gynaecological tumor 2 (10.5)
 Breast tumor 1 (5.3)
 Prostatic cancer 1 (5.3)
 Plasmacytoma 1 (5.3)
 Thymoma 1 (5.3)
Diagnosis of pleural benign disease during follow-up  
 Tuberculosis-induced 24 (35.3)
 Heart failure 16 (23.5)
 Parapneumonic effusion 13 (19.1)
 Connective tissue diseases 5 (7.4)
 Pulmonary embolism 4 (5.9)
 Pneumosilicosis 4 (5.9)
 After splenic embolization surgery 1 (1.5)
 After coronary artery bypass grafting 1 (1.5)