NMA(网状meta分析)stata简易教程（4）漏斗图的制作

漏斗图的制作方法教程如下：

netfunnel logOR selogOR t1 t2

netfunnel logOR selogOR t1 t2, bycomparison

netfunnel logOR selogOR t1 t2, bycomparison addplot(lfit selogOR _ES_CEN)

 Note: Effect sizes of 36 observations were reversed (stored in matrix e(R))

Comparisons in the plot:

1. MT vs PTCA 
2. BMS vs PTCA 
3. BMS vs MT 
4. BMS vs DES 

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