Table 5

Comparison of total Fibromyalgia Impact Questionnaire score and haplotypes using Kruskal-Wallis test


Spaniards
Mexicans

25th percentile
Median
75th percentile
P value
25th percentile
Median
75th percentile
P value

Haplotypes








     ACCG
72.78
78.09
82.42
0.0001
53.54
70.05
77
NS
     ATCA
60.21
62.87
68.46

59.6
68.18
84.5

     GCGG
60.4
67.16
69.56

60.43
74.36
79.17

     GTGA
51.11
56.1
56.41

-
-
-


NS, not significant.

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