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Table 1 Demographic data, asbestos exposure of patients and diagnostic methods in recruited patients

From: Defect in recruiting effector memory CD8+T-cells in malignant pleural effusions compared to normal pleural fluid

  METS (n = 38) BPLAE (n = 30) MPM (n = 79)
Age years (mean ± SD) 65.8 ± 11.6 61.9 ± 11.3 64.3 ± 9.5
Male gender n (%) 21 (55.3%) 29 (96.7%) 64 (81%)
Mesothelioma subtype n (%)
  Epithelioid - - 60 (76%)
  Mixed (biphasic) type 10 (12.6%)
  Sarcomatoid 9 (11.4%)
Primary tumor
  Lung 14 (36.8%) - -
  Breast 10 (26.3%)
  Digestive tract 3 (7.9%)
  Ovarian 2 (5.3%)
  Unknown 6 (15.8%)
  Other 3 (7.9%)
Diagnosed by:
  Blind Pleural Biopsy - - 1 (1.3%)
  Thoracoscopy 27 (71.1%) 21 (70%) 48 (60.8%)
  Surgery 6 (15.8%) 9 (30%) 28 (35.4%)
  Guided biopsy 5 (13.1%) - 2 (2.5%)
Asbestos exposure n (%)
  Yes 11 (29%) 24 (80%) 61 (77.2%)
  No 27 (71%) 5 (16.7%) 13 (16.5%)
  Likely (but not confirmed) - 1 (3.3%) 5 (6.3%)
  1. METS pleural metastasis of adenocarcinoma, BPLAE benign pleural lesions associated with asbestos exposure, MPM malignant pleural mesothelioma.