Skip to main content
. 2023 Jan 13;20(2):1457. doi: 10.3390/ijerph20021457

Figure 2.

Figure 2

Sample quality. (A) PCA plot. Yellow dots are non−POCD samples; red dots are POCD samples. (B) Correlation analysis. A, B, and C are non−POCD samples, while D, E, and F are POCD samples. Darker red means higher correlation between samples.