The proportion in which a psychosocial assessment was conducted varied from 24%to88%8%.
The only sensitivity analysis that was conducted varied the rate of device failure (from 0%% used in the base case).
Although the number of months per year that OS surveys were conducted varied, as described in the Methods, the months in which there are no surveys is not expected to be correlated with GRPs and therefore should not introduce any bias in the findings.
Obviously the code of conduct varies: what's acceptable when you're spending three months in Thailand going to full moon parties is different from what's acceptable on a cold solo inter railing trip around central Europe.
RUV can depend on covariates, such as when assays change between studies, study conduct varies (e.g., outpatient vs. inpatient), or involve different patient populations requiring different RUV models.
Family meetings are offered in all participating sites but the frequency and method of conduct varies; thus we are mindful that some control participants will receive a family meeting, although these are typically not formally structured.
That general style of conduct cannot vary in its essentials.
However, standards and practices of research conduct can vary between countries, institutes, and disciplines sometimes creating confusion.
