Fig. 3
From: Predictive value of PD-1+CD3+ T cells for 30-day mortality in patients with sepsis
Correlation analysis heatmap. Each box shows the correlation result between two factors: blue for positive, red for negative. Color intensity reflects the correlation strength, and asterisks denote statistical significance. *P < 0.05, **P < 0.01, ***P < 0.001.
