Fig 1.
Flow chart of this study.
Fig 2.
Scatter Chart of mendelian analysis between smoking and COPD susceptibility.
Fig 3.
Funnel plot of mendelian analysis between smoking and COPD susceptibility.
Fig 4.
Leave one analysis of mendelian analysis between smoking and COPD susceptibility.
Fig 5.
Scatter Chart of mendelian analysis between ever smoking andospital admission and acute episodes of COPD.
Fig 6.
Scatter Chart of mendelian analysis between smoking/smokers in householdn and acute episodes of COPD.
Fig 7.
Funnel plot of mendelian analysis between ever smoking and acute episodes of COPD.
Fig 8.
Funnel plot of mendelian analysis between smoking/smokers in householdn and acute episodes of COPD.
Fig 9.
Leave one analysis of mendelian analysis ever smoking and acute episodes of COPD.
Fig 10.
Leave one analysis of mendelian analysis between smoking/smokers in householdn and acute episodes of COPD.