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Table 2 Prevalence of airway diseases, symptoms and lung function in 55 year old women

From: Long-term air pollution exposure and living close to busy roads are associated with COPD in women

 

all

 

With spirometry (N = 2593)

 

n/N

%

N/N

%

 

Chronic bronchitis by physician diagnosis

442/4649

9.5

211/2537

8.4

 

Chronic cough with phlegm production

225/4701

4.8

116/2563

4.6

 

Frequent cough

1065/4731

22.5

561/2581

21.8

 

COPD FEV1/FVC<0.7

  

116/2581

4.5

 
   

n

Mean

SD

FEV1 [L]

  

2590

2.55

0.46

FVC [L]

  

2584

3.09

0.51

FEV1/FVC

  

2581

0.83

0.07