Research Article
[Retracted] The Diagnostic Value of Combined Detection of Serum Lp-PLA2 and Hcy and Color Doppler in Elderly Patients with Acute Coronary Syndrome and Effect on Endothelial Function
Figure 1
Comparison of positive and negative detections between the two groups. The abscissa indicates the positive detection and the negative detection from left to right, and the ordinate indicates the number of cases. ∗indicates that 42 positive cases were detected in the experimental group, compared with 33 positive cases in the control group, X2 = 4.32, , and the comparison result was statistically significant; ∗∗indicates that 8 cases were negative in the experimental group, compared with 1 case negative in the control group, X2 = 5.98, , and the comparison result was statistically significant.