Table 4 Association of FEV1 percent-predicted using race-specific 2012-GLI and race-neutral 2022-GLI reference equations and chronic bronchitis.

From: Race-neutral versus race-specific GLI reference equations on spirometry interpretation in the general population

Variable

FEV1%pred

FVC %pred

Race-specific GLI equation

Race-neutral GLI equation

Race-specific GLI equation

Race-neutral GLI equation

OR

95% CI

p-value

OR

95% CI

p-value

OR

95% CI

p-value

OR

95% CI

p-value

Chronic bronchitis

0.970

0.961–0.978

< 0.001

0.972

0.963–0.980

< 0.001

0.993

0.983–1.003

0.167

0.994

0.985–1.003

0.216

  1. Adjusted variables : age, sex, BMI, smoking status.
  2. FEV1, forced expiratory volume in 1 s; GLI, Global Lung Function Initiative; OR, odd ratio; CB, chronic bronchitis; BMI, body mass index.
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