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- The results of Cox regression analysis provide key information to interpret, including:
- Hazard ratio (HR): if the HR = 0.5 then half as many patients are experiencing the event compared to the control group, if the HR = 1 the event rates are the same in both groups, and if the HR = 2 then twice as many are experiencing an event compared to the control group.
- HR limit: this is the confidence interval of the hazard ratio.
- P-value: the lower the p-value, the greater the significance of the observation.
(e.g. If you have selected both a co-predictor and strata factor then a comparison using the co-predictors and Type III p-value for the co-predictor will be generated in the Cox regression report.)
Kaplan-Meier Survival Curve
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