Comparison of frequency of single-nucleotide polymorphisms (SNP) and genotype score between radiographic progression group and nonprogression group.

SNP Associated with LDL CholesterolRadiographic ProgressionNo Radiographic Progressionp
rs688
  C vs T< 0.001*
  C/C (n = 174)38 (21.8)136 (78.2)
  C/T (n = 60)24 (40.0)36 (60.0)
  T/T (n = 12)7 (58.3)5 (41.7)
rs4420638
  A vs G< 0.001*
  A/A (n = 182)39 (21.4)143 (78.6)
  A/G (n = 52)28 (53.8)24 (46.2)
  G/G (n = 12)4 (33.3)8 (66.7)
  Genotype score0 (0–1)1 (0–2)< 0.001
  • * Chi-square test and

  • Mann-Whitney test after adjustment for age and sex. LDL: low-density lipoprotein.