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Table 2 Multivariable Cox proportional analysis for predicting all-cause mortality

From: Longitudinal mortality of preserved ratio impaired spirometry in a middle-aged Asian cohort

 

aHR

95% CI

Groupa

  

 Normal

Ref.

 

 PRISm

1.193

0.859–1.658

 COPD

1.347

1.070–1.695

Sex

  

 Female

Ref.

 

 Male

1.494

1.134–1.969

Age group

1.116

1.103–1.130

BMI

0.975

0.946–1.005

Smoking status

  

 Never

Ref.

 

 Former

1.288

0.943–1.759

 Current

1.607

1.212–2.130

HTN

0.910

0.728–1.138

DM

2.155

1.689–2.754

CVD

1.414

0.875–2.284

  1. aAirflow limitation is defined using a fixed-ratio criterion
  2. aHR, adjusted hazard ratio; BMI, body mass index; CI, confidence interval; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; HTN, hypertension; PRISm, preserved ratio of impaired spirometry