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Table 1 Characteristics of patients

From: The efficacy of video-assisted thoracoscopic surgery lung biopsies in patients with interstitial lung disease: a retrospective study of 66 patients

No. of patients: 66   
Gender: Male: 47%, female: 53%  
Age: 58.9   
Presenting symptoms:   
  Dyspneoa: 72.7%  
  Dry cough: 36.4%  
  Productive cough: 28.8%  
  Pleuritic chest pain: 10.6%  
  Haemoptysis: 6.1%  
  Wheeze: 4.5%  
  Systemic disturbance: 16.7%  
  Asymptomatic: 4.5%  
Time between first presentation and VATS lung biopsy: 16.1 months
Pre-operative pulmonary function testing:  
   FEV1: 2.11 L
   FVC: 2.71 L
Prior investigations:   
  Bronchoscopy: 33.3%  
  Bronchoalveolar lavage: 25.8%  
  Transbronchial lung biopsy: 7.6%  
Pre-operative therapy (corticosteroid or other immunosuppressant): 16.7%