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Table 1 Variables selected from each of the methods for RA status and chromosome 6a

From: Comparison of variable and model selection methods for genetic association studies using the GAW15 simulated data

  Replication SNPs/bp
Methods base pair SNP152/32447150b SNP153/32499470 SNP154/32521280 SNP155/32772270 SNP162/37363880
Single marker testa Rep50 X X X X X
  Rep51 X X X X X
  Rep52 X X X X X
Random forest Rep50 X X X X -
  Rep51 X X X X X
  Rep52 X X X X X
Classification treec Rep50 X X X X -
  Rep51 X X X X X
  Rep52 X X X X X
Stepwise regression Rep50 X X X X X
  Rep51 X X X X X
  Rep52 - X X - -
BMA Rep50 X X X X -
  Rep51 X X X X X
  Rep52 - X X - X
  1. aWe analyzed 1500 cases, 200 controls, and 647 SNPs.
  2. bItalics indicates SNPs simulated with a genetic signal.
  3. cClassification tree method implemented using rpart.