Fig. 2

Kaplan-Meier estimator of survival. The small vertical tick-marks indicate patients that were alive at the time point of analysis. a Kaplan-Meier plot presenting overall survival at end-of-study for patients with a favourable STESS 0–3 (grey line) and an unfavourable STESS of 4–6 (black line). b Kaplan-Meier plot presenting overall survival at end-of-study for patients with a favourable STESS 0–2 (grey line) and an unfavourable STESS of 3–6 (black line). c Kaplan-Meier plot presenting overall survival depending on aetiology. d Kaplan-Meier plot presenting survival depending on aetiology of all patients that were discharged alive from hospital. e Kaplan-Meier plot presenting overall survival depending on age at diagnosis above or below 65 years