Navigation value of intraoperative ultrasound combined with indocyanine green fluorescence in complex hepatocellular carcinoma resection

Figure 1 Kaplan-Meier curves. The blue curve represents the combined navigation group (n = 103), and the purple curve represents the conventional surgery group (n = 97). The X-axis represents follow-up time (months), and the Y-axis represents disease-free survival (%). A: Comparing overall survival between the two groups. Shaded areas indicate 95% confidence intervals. Log-rank test demonstrated a statistically significant difference in overall survival curves between groups (χ² = 4.521, P = 0.033). The 1-year and 2-year overall survival rates were 893% and 76.8% in the combined navigation group vs 81.4% and 65.2% in the conventional surgery group, respectively; B: Comparing disease-free survival between the two groups. Shaded areas indicate 95% confidence intervals. Log-rank test demonstrated a statistically significant difference in disease-free survival curves between groups (χ² = 5.234, P = 0.022). The 1-year and 2-year disease-free survival rates were 728% and 58.4% in the combined navigation group vs 61.9% and 45.7% in the conventional surgery group, respectively.