Table 1

Recessive and dominant GLRA1 hyperekplexia cases

SourceAsianCaucasianArabicTurkishJewishAfrican- American
Recessive mutations
 Δ ex1-7
  Swansea010600
  Literature0001000
  Proportion (%)0306400
 Homozygous
  Swansea6411540
  Literature041100
  Proportion (%)02.4100241000
 Compound heterozygote
  Swansea030200
  Literature200000
  Proportion (%)1490800
Dominant mutations
 R271
  Swansea0100000
  Literature240001
  Proportion (%)1447000100
 Non-R271 dominant
  Swansea130000
  Literature350100
  Proportion (%)29240400
 Total
  Swansea721111340
  Literature71311201
  Both1434122571