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Table 5 SNP density and accuracy – selection by tagging or equidistance

From: Association mapping of susceptibility loci for rheumatoid arthritis

r2/LDU/kb (kb/SNP) No. of SNPsa Location errorb ΛA - ΛD
   Tagger E_LD E_kb Tagger E_LD E_kb
Full (4) 189/189/189 0 0 0 79 79 79
1.0/0.002/1 (5) 160/163/150 1 0 -2 62 69 68
0.8/0.036/5 (11) 78/74/64 -14 4 -5 21 18 20
0.6/0.071/9 (15) 59/55/48 -26 -37 -3 10 11 10
0.4/0.134/14 (21) 43/39/33 -27 25 -5 12 11 8
0.2/0.300/26 (33) 28/21/20 -35 33 -180 7 9 1
  1. aFor the studied region for Tagger, Equal LD (E_LD) and kb (E_kb) distance, respectively.
  2. bAssuming S1 is the "disease locus," the region was fixed at 10 LDUs centering at S1 and the location error was calculated as S-53,306 kb.