Table 2

Factors associated with time to reach severe dementia

Unadjusted HRsp ValueAdjusted HRsp Value
Age at baseline, years1.00 (0.97 to 1.04)0.781
Diagnoses, DLB vs AD2.35 (1.39 to 3.99)0.0022.04 (1.12 to 3.72)0.020
Sex, females vs males0.6 (0.35 to 1.02)0.0570.83 (0.45 to 1.53)0.556
Education in years1.01 (0.92 to 1.10)0.907
Duration of symptoms in years1.13 (1.00 to 1.27)0.0481.15 (1.01 to 1.29)0.030
MMSE total scores0.79 (0.71 to 0.89)<0.00050.82 (0.73 to 0.93)0.002
CIRS total scores1.02 (0.90 to 1.16)0.745
CDR global scores3.26 (1.80 to 5.89)<0.00052.42 (1.26 to 4.65)0.008
  • Cox regression, time until CDR=3. HRs presented with 95% CI.

  • AD, Alzheimer's dementia; CDR, Clinical Dementia Rating; CIRS, Cumulative Illness Rating Scale; DLB, Dementia with Lewy bodies; MMSE, Mini-Mental State Examination.