Questions and Answers
What is the appropriate statistical test for comparing weight loss in 2 groups?
t-Test
At what confidence level is the weight loss comparison conducted?
95%
What does a t statistic of -3.7 indicate in the weight loss example?
Statistically significant weight loss in intervention group
How should odds ratios (ORs) be interpreted in relation to relative risks (RRs), based on the text?
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What type of analysis was used in the study?
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Which variable was the primary predictor of interest in the study?
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What did the unadjusted hazard ratio (HR) for early hospital readmission indicate?
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What did the difference between unadjusted and adjusted HRs suggest?
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What is the main difference between hazard ratio (HR) and relative risk (RR) in the context of survival over time?
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How does the hazard ratio (HR) differ from relative risk (RR) when considering survival rate in cirrhosis patients?
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What is the relationship between hazard ratio (HR) and relative risk (RR) as the time interval lengthens?
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In the context of survival over time, which measure is useful when the risk is not constant with respect to time?
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