Table 3

Comparison of single-nucleotide polymorphisms and Fibromyalgia Impact Questionnaire scores in patients from Mexico and Spain

Spaniards
 Mexicans
Genotypes
 25th percentile
 Median
 75th percentile
 P value
 25th percentile
 Median
 75th percentile
 P value
rs6269







     AA
 75.1
 78.6
 82.1
57.7
 67.53
 80.5
     AG
 60.6
 67.1
 70.1
 0.0001
 68.7
 77.5
 80.67
 0.193
     GG
 51.1
 56.3
 56.7
41.01
 66.77
 79.17
rs4633







     CC
 73.9
 78.7
 86.1
61.4
 71.25
 78.17
     CT
 59.8
 62.6
 68.5
 0.0001
 60.7
 71.29
 82.7
 0.785
     TT
 51.1
 56.2
 56.7
57.7
 66.21
 85.47
rs4818







     CC
 75.1
 78.1
 82.4
57.7
 64.20
 80.5
     GC
 60.2
 65.3
 70.2
 0.0001
 68.74
 77.5
 81.58
 0.054
     GG
 51.7
 56.2
 61.7
60.43
 66.33
 73.17
rs4680







     AA
 50.62
 52.3
 56.1
57.7
 72.97
 88.24
     AG
 59.4
 62.1
 68.3
 0.0001
 62.7
 74.35
 83.60
 0.284
     GG
 72.8
 78.6
 85
59.9
 68.74
 76.46

Only single-nucleotide polymorphisms with significant associations in Spaniards are shown. In Mexicans, none was associated with the Fibromyalgia Impact Questionnaire.

Vargas-Alarcón et al. Arthritis Research & Therapy 2007 9:R110   doi:10.1186/ar2316