Biostatistics
A randomized controlled trial comparing two fixation methods for distal radius fractures reports that Method A resulted in a mean DASH score improvement of 18 points compared to 14 points for Method B at 6 months. The difference of 4 points had a p-value of 0.03 and a 95% confidence interval of 0.5 to 7.5 points. A colleague asks you to help interpret these results. Regarding the interpretation of the p-value:
Mark each as TRUE or FALSE
The p-value represents the probability of observing a result as extreme or more extreme than that ob...
A p-value of 0.03 means there is a 3% probability of obtaining this result (or more extreme) by chan...
A p-value of 0.03 proves that Method A is definitely superior to Method B; p less than 0.05 indicate...
The p-value provides no information about the magnitude of the effect; a statistically significant r...
The choice of significance threshold (alpha) at 0.05 is arbitrary and not based on biological princi...
Answer the questions to see explanations
Click T (True) or F (False) for each option