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Table 3 Confirmed cases of asthma, chronic obstructive pulmonary disease, both, or neither among the corresponding claims categories

From: A cross-sectional study of the identification of prevalent asthma and chronic obstructive pulmonary disease among initiators of long-acting β-agonists in health insurance claims data

  

Confirmed cases

  

Asthma

COPD

Asthma and COPD

Unconfirmed

  

N

%

N

%

N

%

N

%

Claims-identified cases

Asthma (n = 91)

67

73.6

2

2.2

0

0.0

22

24.2

COPD (n = 92)

6

8.7

73

81.5

2

2.2

11

7.6

Both (n = 104)

40

38.5

35

33.7

22

21.2

7

6.7

 

Neither (n = 83)

24

28.9

8

9.6

0

0.0

51

61.5

  1. COPD, Chronic Obstructive Pulmonary Disease.
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BMC Pulmonary Medicine

ISSN: 1471-2466

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