Fig. 1From: Changes in plasma bile acids are associated with gallbladder stones and polypsPCA cluster analysis showed that the samples of BAs in the healthy group (red) showed high PC1 and PC2 values. a The main reason for this difference was the change in GCA, TCDCA, and GCDCA content between patients and healthy people. b, c There is no obvious difference between blood test and demography in cluster analysisBack to article page