Even though interpretation of the results was complicated by partial misclassification of cases, the study succeeded in identifying what specific factors may facilitate progression to more advanced behavioral stages among employee drivers.
Third, it is possible that misclassification of cases into the control group may have occurred.
While this research methodology does not completely eliminate misclassification errors, it greatly reduces the likelihood of misclassification of cases or controls, a problem frequently encountered when using ICD-9 codes alone in population studies.
Eventually, misclassification of cases might have occurred.
In every study on PD there is some degree of misclassification of cases.
Firstly, bias may have arisen from misclassification of cases of severe sepsis.
Finally, misclassification of cases might have occurred when cases were categorized into year and season.
Thus, a misclassification of cases and controls could not be definitively excluded.
Second, nearly complete confirmation of case status minimised misclassification of cases.
Misclassification of cases was minimal because of the review of diagnostic data.
Misclassification of cases was minimal, given the nearly complete confirmation of case status, achieved by comprehensive pathology and clinical review.
