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Table 3 Mortality rate ratios associated with individual components of the MDA.

From: Discriminative and predictive properties of disease-specific and generic health status indexes in elderly COPD patients

  Adjusted for age and gender Adjusted for age, gender and FEV1%
WD < 25% predicted 1.84 (1.31 – 2.59) 1.58 (1.12 – 2.22)
MMSE < 24 0.80 (0.49 – 1.29) 0.64 (0.40 – 1.05)
GDS ≥ 5 1.55 (1.10 – 2.18) 1.15 (0.80 – 1.64)