Sentence examples for a subsample of cases from inspiring English sources

A subsample of cases (n = 132) and hospital controls (n = 76) was selected from a larger case control study in Barcelona, Catalonia, Spain.

The VA completion rates for each site are summarised in table 1. Registered vital events identified by incentivised key informants or salaried enumerators were confirmed by interviewer visits to households and, in a subsample of cases, through field supervisor visits.

In order to recruit a sufficient number of African Americans, we devised a sampling strategy aimed at enrolling all eligible black cases, but only a subsample of white cases.

Again, all tests were repeated with a subsample of 33 cases with delay between MRI and autopsy less than 5 years.

Although the average cost of transportation in a subsample of 75 cases was relatively high (US$11.28), most families (63%) who went to the referral site walked and hence paid nothing.

Kappa statistics were also repeated with a subsample of 33 cases with delay between MRI and autopsy less than 5 years (median delay (interquartile range, IQR): 4.2 (0.4), mean ± standard deviation 4.0 ± 1.1 years).

ASD diagnosis was validated by telephone administration of the Autism Diagnostic Interview Revised (ADI-R) (Lord et al. 1994) in a subsample of 50 cases randomly selected from mothers who indicated on our follow-up questionnaire willingness to be contacted (81% of all case mothers).

However, we manually reviewed of a subsample of 5% of cases to validate data quality and findings and found 100% accordance.

For example, in studying the cases of autism, researchers might use a nested case control design in which a large screening sample is used to identify the cases and a subsample of the non-case sample members is selected for the control sample.

Further testing of H. pylori infection status was performed by western blot (Helico Blot 2.1; Genelabs Diagnostics, Singapore) in a randomly selected subsample of cases (n=406) and controls (n=255), according to the prevalence of H. pylori infection in each of these groups and by age strata (18 39, 40 54, 55 70 and >70 years), as determined by ELISA.

As the questionnaire will be used in the future to identify possible GAD cases, a subsample of healthy subjects was included to further assess understandability.