Table 5 Comparison of models assessing the predictive validity for the onset of dementia of the advanced classification based on conventional (Model 1), neuropsychological (Model 2) and modified neuropsychological criteria (Model 3).

From: Conventional and neuropsychological criteria for mild cognitive impairment show similar prognostic value for dementia across 12 years in a non-clinical setting

 

Model 1

Model 2

Model 3

Conventional criteria

SMI

1.52 (0.29)

  

CIND

2.31 (0.25)***

  

MCI

4.47 (0.25)***

  

Neuropsychological criteria

SMI

 

1.21 (0.29)

 

MCI

 

2.93 (0.22)***

 

Neuropsychological criteria modified

SMI

  

1.21 (0.29)

CIND

  

2.05 (0.24)**

MCI

  

4.40 (0.23)***

AIC

1738

1745

1733

R2

0.056

0.047

0.060

Num. events

145

145

145

Num. obs

936

936

936

PH test

0.178

0.041

0.094

  1. Hazard ratio (SD), model goodness-of-fit indices (AIC and R2), number of events and observations, and proportional hazards test (PH test) are reported. The reference group is cognitively normal subjects.
  2. ***p < 0.001; **p < 0.01; *p < 0.05.
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