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Heterogeneity (Tau2) for the Prevalence of COPD (LLN) Among the Nine Sites
| Tau2 without Risk Factors | *Tau2 with Risk Factors | #Mean Difference (95% CI) | p-value | |
|---|---|---|---|---|
| Prevalence of COPD (LLN) | 0.053 | 0.030 | 0.023 (0.001,0.037) | <0.001$ |
Notes: *Tau2 is adjusted for sex, age, smoking status, asthma, and childhood hospitalization; #Mean difference for Tau2 (95% CI) with and without risk factors; $Indicates a significant difference of Tau2 with and without risk factors.
