图3. 肠道菌群与SCFAs的相关性 左图示菌门水平；右图示菌属水平；X轴和Y轴分别为SCFAs含量和菌群物种，通过计算获得相关性rs值和P值。rs值大小在图中以不同颜色深浅表示，右侧图例是不同rs值的颜色区间。红色代表正相关，蓝色代表负相关。P<0.05表示显著相关，*0.01<P≤0.05，**0.001<P≤0.01，*** P≤0.001。.
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