According to the Passing-Bablok linear regression analysis, the tests for triglycerides, urea, AST on the machines were closely correlated with R>0.99 and p<0.0001 and the slopes of the tests were 1.0150, 1.0345, 1.0223 approximately 95% CI excluding 1, the intercept ranged from - 0.2138 to 1.3041.