Fig. 3
Univariate survival analyses (Kaplan-Meier curves) and results of log-rank test
Figure 3A: Univariate survival analysis for surgery in low-volume vs. high-volume hospitals
Figure 3B: Univariate survival analysis for surgical approach
Figure 3C: Univariate survival analysis for socioeconomic deprivation (GISD-quintiles)
Abbreviations: GISD, German Index of Socioeconomic Deprivation.