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08. Kaplan-Meier plot
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Introduction
Kaplan-Meier (KM) plots are a type of survival plot used to estimate the survival function from lifetime data. They are particularly useful in medical research for measuring the fraction of patients living for a certain amount of time after treatment. The KM plot provides a visual representation of the survival probability over time, allowing researchers to compare the survival rates between different groups.
In a KM plot, the x-axis represents the time, while the y-axis represents the survival probability. Each step down in the plot indicates an event (e.g., death, relapse), and the plot can include censored data, which are instances where the event has not occurred by the end of the study period.
KM plots are widely used in clinical trials and other studies to understand the efficacy of treatments and to identify prognostic factors.
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Example
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Message
Plot Kaplan-Meier curves based on the protein expression level of PTEN
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Results
