Kaplan-Meier curve of survival probability and 95% confidence interval for 102 PDAC patients The Kaplan-Meier survival curve (solid line) describes the probability of survival for the 102 PDAC patients. The dashed lines represent the 95% confidence interval. The horizontal axis represents the survival time (in months). Each step means an actual event happens, i.e. a pancreatic cancer patient dies. A short vertical line without a drop means a patient get censored for different reasons, e.g. drops off the study or the study ends.