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Table 4 Meta-analysis of the association between SDB and asthma and its severity risk

From: Sleep-disordered breathing and asthma: evidence from a large multicentric epidemiological study in China

Subgroups

OR

95% CI

P value

P h

I 2

Asthma

1.55

1.44-1.66

<0.001

<0.001

71.70%

Ethnicity

     

 Caucasian

1.58

1.46-1.70

<0.001

<0.001

75.70%

 Asian

1.40

1.12-1.67

<0.001

0.150

41.60%

Age group

     

 Children

1.58

1.35-1.80

<0.001

0.001

70.20%

 Adults

1.55

1.42-1.67

<0.001

<0.001

77.70%

Study design

     

 Cross-sectional

1.56

1.45-1.68

<0.001

<0.001

84.4%

 Cohort study

1.46

1.16-1.75

<0.001

0.249

247%

 Case–control

2.36

0.21-4.51

0.310

n.a.

n.a.

Asthma severity

1.92

1.48-2.35

<0.001

0.932

0.00%

  1. OR, odds ratio; CI, confidence interval; P h, P-value of heterogeneity; n.a., not available.
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Respiratory Research

ISSN: 1465-993X

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