Table 2

Age of onset and diagnostic delay for hybrid sex/site of onset/C9 variable

LevelAge at onsetDiagnostic delay
Median (IQR)ShortMediumLong
Spinal onset excluding C9orf72 expanded males62.3 (54.0 to 69.7)965 (30.8%)1014 (32.4%)1151 (36.8%)
All bulbar onset65.0 (58.4 to 71.9)611 (37.4%)590 (36.1%)435 (26.6%)
Male spinal onset C9orf72 only59.3 (52.3 to 64.7)65 (40.8%)44 (27.7%)50 (31.5%)
p Value0.0001*<0.001†
  • *Kruskal-Wallis test.

  • †χ2 test.