Sentence examples for retrospective sample from inspiring English sources

Since race was missing on 17% of the retrospective sample, single imputation of race was done using a baseline-category logit regression using costs and patient and hospital level variables as described above as predictors.

Data extraction from the charts, records or electronic database of the retrospective sample was performed by a doctor, nurse or research assistant, under the supervision of the local principal investigator, using the study instrument provided for this purpose.

A retrospective sample of 24 class II patients treated consecutively with the FRD followed by comprehensive orthodontic treatment was compared to a sample of untreated control subjects from the Bolton Brush Study who was matched in age, sex, and craniofacial morphology.

The Institutional Review Board of the Hospital Universitari Germans Trias i Pujol, Badalona, Spain, approved the study; participants provided written informed consent for retrospective sample testing.

Descriptive statistics for the retrospective sample are in column 2 of Table 2.

The retrospective sample included all persons who died 10 weeks or more after enrollment.

Kicking off a five-night run and what amounts to a six-month tour, the group offered a retrospective sampling of original material, in commemoration of its silver anniversary; the same impulse recently yielded "Twenty-Five" (Heads Up), a live CD and DVD that documents a pair of concerts from last fall.

But Johnson believes there should be a system in place to test retrospective samples from an athlete's entire career.

These parameters can be interpreted in terms of the odds ratios defined for the retrospective sampling framework.

The measure ψ is defined from the retrospective sampling viewpoint which directly reflects the feature of case-control designs.

This is to note that we have illustrated undersampling of fMRI data by retrospective sampling on the Cartesian grid because it allows sampling patterns to maintain incoherency among the columns of matrix X [39, 40, 41].