Position in labour market in HUNT1 (Q2) was measured by a version of the Norwegian standard for occupational classification consisting of 10 discrete groups.
Diagnoses are encoded in ICD-9-CM, and surgical procedures in codes from a Dutch procedure classification consisting of nearly 40,000 codes.
The first EC level is a rough functional classification consisting of six classes: oxidoreductases (EC1), transferases (EC2), hydrolases (EC3), lyases (EC4), isomerases (EC5), and ligases (EC6).
All patients included in the active CD group had positive EMA and/or TGA, and histological abnormalities grade III according to the modified Marsh classification consisting of intra-epithelial lymphocytosis, crypt hyperplasia and some degree of villous atrophy [ 19].
SCOP utilizes a hierarchical classification consisting of four levels, (i) family, (ii) superfamily, (iii) fold, and (iv) class, with each level corresponding to different degrees of structural similarity and evolutionary relatedness between members.
In the post-genomic era, advances in prognostic and predictive models are beginning to capture this heterogeneity, not least with the recent generation of a new molecular classification consisting of at least ten different breast cancer subtypes [ 3- 6].
Classification consists of two stages: training and testing.
