Podcast
Questions and Answers
What is the appropriate statistical test for comparing weight loss in 2 groups?
What is the appropriate statistical test for comparing weight loss in 2 groups?
- ANOVA
- Z-test
- Chi-square test
- t-Test (correct)
At what confidence level is the weight loss comparison conducted?
At what confidence level is the weight loss comparison conducted?
- 90%
- 85%
- 95% (correct)
- 99%
What does a t statistic of -3.7 indicate in the weight loss example?
What does a t statistic of -3.7 indicate in the weight loss example?
- No statistical significance in the weight loss
- Statistically significant weight loss in intervention group (correct)
- Statistically significant weight loss in control group
- Need more information to interpret the t statistic
How should odds ratios (ORs) be interpreted in relation to relative risks (RRs), based on the text?
How should odds ratios (ORs) be interpreted in relation to relative risks (RRs), based on the text?
What type of analysis was used in the study?
What type of analysis was used in the study?
Which variable was the primary predictor of interest in the study?
Which variable was the primary predictor of interest in the study?
What did the unadjusted hazard ratio (HR) for early hospital readmission indicate?
What did the unadjusted hazard ratio (HR) for early hospital readmission indicate?
What did the difference between unadjusted and adjusted HRs suggest?
What did the difference between unadjusted and adjusted HRs suggest?
What is the main difference between hazard ratio (HR) and relative risk (RR) in the context of survival over time?
What is the main difference between hazard ratio (HR) and relative risk (RR) in the context of survival over time?
How does the hazard ratio (HR) differ from relative risk (RR) when considering survival rate in cirrhosis patients?
How does the hazard ratio (HR) differ from relative risk (RR) when considering survival rate in cirrhosis patients?
What is the relationship between hazard ratio (HR) and relative risk (RR) as the time interval lengthens?
What is the relationship between hazard ratio (HR) and relative risk (RR) as the time interval lengthens?
In the context of survival over time, which measure is useful when the risk is not constant with respect to time?
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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