Table 2

Comparison and χ2 analysis of the frequency of (CTG)>18 alleles in individuals not known to be affected by DM from the 3 Malaysian subpopulations to those in 12 worldwide populations

Population(CTG)>18 alleles/total alleles analysed (%)Comparison of Malay data with other populations χ2 (p value)Comparison of Chinese data with other populations χ2 (p value)Comparison of Indian data with other populations χ2 (p value)
European†1715/130 (11.54)7.817 (0.005**)16.094 (<0.0001***)6.729 (0.009**)
German1822/104 (21.20)26.17 (<0.0001***)39.141 (<0.0001***)24.239 (<0.0001***)
Mexican1951/800 (6.38)2.232 (0.135)8.037 (0.005**)1.553 (0.213)
Brazilian2024/312 (7.69)3.497 (0.062)9.88 (0.002**)2.334 (0.127)
Chilean2130/272 (11.00)9.354 (0.002**)17.887 (<0.0001***)8.131 (0.004**)
Japanese179/106 (8.50)2.760 (0.097)8.386 (0.004**)2.149 (0.143)
Thai2211/400 (2.75)0.142 (0.706)0.505 (0.477)0.421 (0.516)
Taiwanese237/499 (1.40)2.867 (0.090)0.018 (0.893)3.962 (0.050)
Han Chinese246/600 (1.00)5.463 (0.019*)0.134 (0.714)7.052 (0.008**)
Kuwaiti2514/370 (3.78)0.010 (0.920)1.894 (0.169)0.006 (0.938)
Iranian2629/400 (7.25)3.090 (0.079)9.292 (0.002**)2.334 (0.127)
South African133/420 (0.71)5.869 (0.015*)0.457(0.499)7.249 (0.007*)
  • *p<0.05 (significant); **p<0.01 (highly significant); ***p<0.001 (very highly significant).

  • †Includes British, German, Belgian, Swedish and Finnish participants.

  • DM, myotonic dystrophy type 1.