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As is sometimes the case in observational studies, when the results of the Repla

ID: 147560 • Letter: A

Question

As is sometimes the case in observational studies, when the results of the Replacement Therapy (HRT) were analyzed Women's Health Initiative (WHI) study of Hormone re compared in the observational studies were different in several factors that could have masked the ne of the treatmen The observational studies were done in rare populations, such as the Inuit, so the results did not apply to the general population. . The observational studies did not test the correct formulation of the hormone compared to the accurate work done in the HRT trials. o The wrong statistics were used in the observational studies.

Explanation / Answer

Such an onservational study mentioned avove needs larger sample size and long follow-up. As the experiment has been done on rare population, the results did not apply to the general population.