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Table 1 Basic characteristics of 7 datasets

From: Extracting predictors for lung adenocarcinoma based on Granger causality test and stepwise character selection

Characteristics Analysis Validation
   TCGA GSE10072 GSE83213 GSE2088 GSE32863 GSE43458 GSE43458
  Platform Illumina Affymetrix Illumina Illumina Illumina Affymetrix Affymetrix
  Cancer/Normal (Total) 539/59 (598) 50/57 (107) 11/46 (57) 57/30 (87) 58/58 (116) 80/30 (110) 25/25 (50)
  Male (%) 107 (18) 69 (64) 28 (50) Unknown 26 (22) Unknown Unknown
Race Asian 8 0 0 0 44 0 0
  Black 59 0 0 0 0 0 0
  White 446 0 0 0 72 0 0
  Unreported 66 107 57 87 0 110 50
  Mean age 65 56 Unknown Unknown 68 Unknown 58
  Never-smoker (%) 34 (6) 36 (34) Unknown Unknown Unknown 70 (64) Unknown