- The p-value is too high.
- The study had too much power.
- Loss to follow-up can introduce bias and threaten the internal validity of the study.
- The drug is definitely effective.
39. A medicinal trial concludes that a new drug is effective based on a p-value less than 0.05. However, there was a high loss to follow-up among participants. What critical biostatistical concern arises?
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