Table 3

Airway obstruction by diagnostic definition

Self-reportGOLD stage IIALower limit of normal% predFixed ratio
Prevalent cases8.58.615.617.518.4
Rate per 1000 population
 Overall77.378.7142.1160.0167.8
 Age yrs
  30–3449.317.383.790.444.7
  35–3939.518.292.5100.154.6
  40–4465.635.7115.8127.194.8
  45–4977.150.2138.8152.5133.5
  50–5486.8102.5156.1178.8181.9
  55–5992.3137.6191.8212.1255.6
  60–64109.4152.4197.7234.4311.5
  65–69124.0179.3212.5256.1345.4
  70–74137.0189.0228.6258.3406.2
  75–80121.9194.8227.2261.8416.9
Sex
 Male58.284.8150.0160.9199.0
 Female95.572.9134.5159.2138.3
Race/Ethnicity
 Mexican-American35.727.291.587.073.2
 Non-Hispanic Black58.058.5119.6144.8116.8
 Non-Hispanic White81.883.8147.4165.6178.9
Smoking Status
 Never45.936.072.486.890.5
 Former86.489.0156.6178.9213.9
 Current114.4131.2230.4248.8232.6
  • Prevalent cases are presented as n (millions). Results are weighted to the general USA population

  • GOLD: Global Initiative for Chronic Obstructive Lung Disease

  • % pred: % predicted