Table 2—

Frequency of type 2 diabetes and the Trp64Arg mutation of β3-adrenergic receptor gene

Genotype
Arg/Arg*Trp/ArgTrp/Trp
Diabetes6 (13.6)29 (6.0)48 (4.2)
Impaired glucose tolerance8 (18.2)57 (11.7)160 (13.9)
Normal glucose tolerance30 (68.2)400 (82.3)947 (82.0)
  • Data are means ± SD or n (%). Frequency of diabetes in the Arg/Arg subgroup was significantly different from that in the Trp/Trp subgroup (P = 0.0067).