Using a sample of cases of self-harm in Taiwan, we sought to investigate the extent to which social relationships associate with self-harm under adjustment for factors recognised to be associated with suicidal behavior [ 11], including sociodemographic factors and physical and mental health.
Worse, the investigation revealed that some physicians had indicated in medical records that the patients had blockages of 80 to 90 percent when a later, more scientific analysis of a sampling of cases revealed the blockages had ranged from 33 to 53 percent.
Our estimate of the sensitivity of the automated database case definition relied upon adjudication of a sample of cases with diabetes-related medical care encounters that did not meet the database definition.
Placentas of a sample of cases and seronegative controls had polymerase chain reaction and culture performed.
For three weeks, counsel for the FCO, sitting in an artificially-lit basement court at the Royal Courts of Justice, have been cross-examining 27 claimants in a sample of cases intended to assess the reliability of their accounts.
In a case-control study, a sample of cases is compared with a group of controls who do not have the outcome of interest.
This method involves constructing (from a sample of case-parent trios) a sample of cases and matched pseudocontrols.
Those interviewed with SCID were not a random sample of all patients screened, but a sample of cases suspected of having bipolar disorder on the basis of the finding in the MDQ, or other clinical factors.
To ensure accuracy of diagnosis, a sample of cases was selected for further review.
Nonetheless, detailed review of a sample of cases did enable quantification of the likely level of uncertainty and misclassification within the dataset and the majority of identified cases probably involved genuine pyoderma.
Although three centres completed reviews for more than 85% of cases, time constraints restricted attention to a sample of cases (70% of Black men and 42% of White men) at the North East London centre.
