The Assumption of Proportional Hazards When Using the Kaplan-Meier Method

question 7

Multiple Choice

The assumption of proportional hazards when using the Kaplan-Meier method states which of the following?

• A) The hazard ratio between the two groups must be normally distributed.
• B) The hazard ratio between the two groups stays constant over time.
• C) The hazard ratio is in direct proportion to the sample sizes in each group.
• D) The hazard ratio is the same as the overall number of deaths in each group.

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