Type of specimens and number of specimens/patient in the prospective cohort

ParameterNo. of specimens
Type of specimen
    Bronchial aspiratea310
    Bronchoalveolar lavage fluid91
    Tracheal aspirate17
    Induced sputum2
No. of specimens/patient
  • a Bronchial aspirate specimens were obtained by aspiration of bronchial content after bronchoscope insertion. A flexible bronchoscope was moved through the airways to a target lesion for sampling.