Fig. 1

Patient data derived from SwissNET and 23 patient diagnosed with NET and CHD were included. A Survival proportions of patients following initial NET diagnosis and survival proportions of patients following initial CHD diagnosis after NET diagnosis. B Patient cluster with respect to time to CHD diagnosis and survival. C Survival proportions of patient groups since NET and CHD diagnosis (Group A; Group B and Group C); Confidence interval 95%—grey area; Log-rank test Group A vs Group B: p =  < 0.005 and Group B vs Group C: p =  < 0.005. D Survival proportions of patients with NET; Confidence interval 95%—grey area; Log-rank test Group A vs Group B: p =  < 0.005; Group B vs Group C p = 0.03. For A, C and D please refer to Materials and methods section for patients at risk calculations. + ; patient was censored