Table 1

Genotypic and allelic frequencies of codon 54 mutations in healthy controls


Healthy control, n (%)
Hong Kong controla, n (%)
European controlb, n (%)

Wide type
36 (75.0)
153 (78.1)
84 (73.7)
Heterozygous type
12 (25.0)
42 (21.4)
28 (24.6)
Homozygous type
0 (0.0)
1 (0.5)
2 (1.7)
Frequency of allele A
0.12
0.11
0.14

aData from [6].bData from [7].

Kang et al. Arthritis Research & Therapy 2006 8:R85   doi:10.1186/ar1953