Exact(4)
Unlike the VA, there is no record linkage number to permit identification of individuals who are hospitalized more than once.
The database includes a record linkage number making it possible to link to other VA data files as well as to identify individuals with multiple hospitalizations.
The Nationwide Inpatient Sample does not include a record linkage number for identifying individuals who have been hospitalized more than once, but it does identify the hospital and generally has more information than the National Hospital Discharge Survey.
Demographic and clinical information was sent to the Scottish Cancer Registry where laboratory and registry data were linked, with a view to attaching demographic variables (including the Scottish Index of Multiple Deprivation), prognostic variables (FIGO stage and ICD-O grade of differentiation) and a unique linkage number (to allow dates of death, when applicable, to be added at a later date).
Similar(56)
Bone mass and density at the knee can be studied by measuring local periarticular bone mineral density (BMD) with dual-energy x-ray absorptiometry and by using fractal analysis to produce a description of trabecular bone microarchitecture based on the cross-linkage, number, and size of trabeculae [ 23, 24].
QTL for resistance to A. euteiches, earliness and plant height were named " Ae-Ps", " Flo-Ps" and " HT-Ps", respectively, followed by the linkage group number and the QTL number within the linkage group for each trait.
Grass carp is a diploid fish with 2n = 48 chromosomes [ 29, 30], therefore the linkage group number is corresponding to the haploid chromosome number of grass carp.
In an n-mer oligonucleotide where all (n – 1) internucleosidic linkages are phosphorothioate linkages, the number of diastereomers m is calculated as m = 2(n – 1).
From our criteria based on the linkage, a number polymorphisms were identified that were consistent with the linkage (Table 4, Additional file 2).
This study had a survival bias, however; in order to ascertain large families for genetic linkage, a number of women within the family need to survive.
Data on comorbidity in both the soft tissue sarcoma patients and the general comparison cohort was obtained by individual linkage (CPR number) with the National Patient Registry [ 24, 27].
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