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Table 5 Cox proportional hazard model regression analysis

From: Neurological signs as early determinants of dementia and predictors of mortality among older adults in Latin America: a 10/66 study using the NEUROEX assessment

 

Hazard ratios (HR) with 95% CI

Unadjusted model

Adjusted model 1

Adjusted model 2

HR

HR

HR

Frontal signs

 Mildly-impaired

1.2 (1.1–1.2)

1.1 (1.1–1.2)

1.1 (1.1–1.2)

 Heavily-impaired

2.1 (2.0–2.3)

1.9 (1.7–2.1)

1.6 (1.4–1.8)

Extrapyramidal signs

 Mildly-impaired

1.3 (1.2–1.3)

1.2 (1.1–1.2)

1.1 (1.1–1.2)

 Heavily-impaired

1.9 (1.7–2.1)

1.7 (1.5–1.9)

1.4 (1.3–1.6)

Cerebellar signs

 Mildly-impaired

1.5 (1.4–1.6)

1.4 (1.3–1.5)

1.3 (1.2–1.4)

 Heavily-impaired

1.7 (1.5–1.9)

1.6 (1.4–1.7)

1.3 (1.1–1.5)

Gait disturbance signs

 Mildly-impaired

1.1 (1.0–1.3)

1.0 (0.9–1.2)

1.0 (0.8–1.1)

 Heavily-impaired

1.1 (1.0–1.2)

1.1 (1.0–1.1)

1.0 (0.9–1.0)

  1. Multivariate prediction analysis of mortality at follow up by four factor scores derived from the NEUROEX assessment at baseline. Hazard ratios (HR) pooled over countries (with 95% CI) are shown for an unadjusted model, a model adjusted for socio-demographical variables (adjusted for gender, educational level and age; adjusted model 1) and a model adjusted for socio-demographical variables and general indicators of health status (adjusted for gender, educational level, age, depression, clinically diagnosed stroke, diabetes, hypertension and dementia; adjusted model 2)