Table 1

Number of patients with anosmia

Anosmia
AbsentPresent
Controls886
Pure AD367
LBs139
  • AD=Alzheimer's disease; LBs=Lewy bodies. Anosmia statistics: overall χ2=18.12, df=2, p=0.0001; LBv control χ2=15.9, df=1, p<0.0001; AD v control χ2=2.31, df=1, p=0.13; LB v AD χ2=4.76, df=1, p=0.029 (Yates correction applied when any cell with expected value<5).