The phrase "altered studies" is correct and usable in written English.
It can be used when referring to studies that have been modified or changed in some way, often in a research or academic context.
Example: "The researchers presented their findings based on altered studies that took into account new variables."
Alternatives: "modified studies" or "revised studies".
Changing epidemiology and hints of success alter studies of experimental treatments.
A false negative or false positive result in a small challenge trial of a malaria vaccine could profoundly alter study results.
1 Furthermore, the majority of these patients would have received treatment, potentially altering study outcomes.
As CH frequency was already being collected as part of the study, the protocol amendment did not alter study conduct.
Often in the reporting of these studies the authors will write words to the effect that analyses were conducted that correct for measurement error in dietary assessment (for example [ 3*]) and that this correction did not alter study findings.
Indeed, some had argued that the use of CA-125 doubling as a progression criterion could alter study results or interfere with patient care by leading to overtreatment (Goonewardene et al, 2007).
While we did not examine potential seasonal effects on blood pressure, we do not expect that such an effect would impact specific patient CMRFCs differently or substantially alter study results.
Thus, we do not believe that the freezing-thawing process influenced, skewed or altered our studies in a way to lead to "artifactual" results.
These observations suggest that fLuc activity can be substantially altered in studies where ROS levels become elevated and can potentially lead to ambiguous or misleading findings.
Their exclusion may have altered the study's results if they were also more likely -- or less likely -- than the others to be taking hormones.
