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Table 1 Clinical characteristics of patient cohort

From: Napsin A levels in epithelial lining fluid as a diagnostic biomarker of primary lung adenocarcinoma

Characteristics  
  Primary lung adenocarcinoma n = 27   Non-adenocarcinoma n = 6
LC with adenocarcinoma component n = 2
Age (median, IQR) 67, 12   75, 14
number of patients (%) number of patients (%)
Gender
 Male   15 51.7   4 66.7
 Female   14 48.3   2 33.3
Smoking status
 never   13 44.8   2 33.3
 ex-smoker   11 38.0   3 50.0
 current   5 17.2   1 16.7
Pathological diagnosis
by bronchoscopy
 yes   11 37.9   5 83.3
 no   18 62.1   1 16.7
Pathological stage
 IA   25 86.2  
 IB   3 10.3
 IIIA   1 3.5
Histological subtype and diagnosis
  Primary lung adenocarcinoma Primary lung squamous cell carcionoma 2 33.2
 Adenocarcinoma in situ 1 3.5 Primary lung large cell carcionoma 1 16.7
Minimally invasive adenocaricinoma Metastatic carcinoma from nasopharyngeal carcinoma 1 16.7
 Non-mucinous 4 13.7
 Mucinous 1 3.5 Mycobacterium tuberculosis 1 16.7
Adenocarcinoma Nontuberculous mycobacterial infection 1 16.7
 Lepidic adenocarcinoma 2 6.8  
 Acinar adenocarcinoma 3 10.3
 Papillary adenocarcinoma 14 48.2
 Solid adenocarcinoma 1 3.5
Invasive mucinous adenocarcinoma 1 3.5
 Adenosquamous carcinoma 1 3.5
 Combined LCNEC 1 3.5
  1. LC Lung carcinoma, IQR Interquartile range, LCNEC Large cell neuroendocrine carcinoma
  2. Data are presented as number or %, unless otherwise stated
  3. Pathological stage is classified according to the TNM Classification of Malignancy Tumors, 7th Edition
  4. Histological type is categorised according to the WHO Classification of Tumors of the Lung, Pleura, Thymus and Heart, Fourth Edition