Ontology highlight
ABSTRACT: Objectives
To assess the extent to which stage at diagnosis and adherence to treatment guidelines may explain the persistent differences in colorectal cancer survival between the USA and Europe.Design
A high-resolution study using detailed clinical data on Dukes' stage, diagnostic procedures, treatment and follow-up, collected directly from medical records by trained abstractors under a single protocol, with standardised quality control and central statistical analysis.Setting and participants
21 population-based registries in seven US states and nine European countries provided data for random samples comprising 12 523 adults (15-99 years) diagnosed with colorectal cancer during 1996-1998.Outcome measures
Logistic regression models were used to compare adhe
SUBMITTER: Allemani C
PROVIDER: S-EPMC3773629 | biostudies-literature | 2013 Sep
REPOSITORIES: biostudies-literature