Fig. 2From: Impact of the COVID-19 pandemic on subcutaneous venous port-related complications in patients with cancer: a retrospective case–control studyA Comparisons of cumulative adverse event-free catheter survival rates between solid tumour patients with a PORT in the study and control groups. B Comparisons of cumulative adverse event-free catheter survival rates between patients with haematological malignancies and solid tumours in the study group. p-values were derived with the log-rank test. CI, confidence interval. HR, hazard ratioBack to article page