Data Source

Registry

Type of Study

Cross-section, regular

Data gathering method

Registries

Ease

Online accessible database

Conditions of access

Formal agreements (e.g. fees, research contracts, institutional agreements, etc.)

Request submission: www.ncdr.nl

Time elapsed between application and reception of data

Contact data administrator (see contact information)

Type of available data (e.g. anonymised microdata, aggregated tables, etc.)

Anonymised microdata

Formats available

SPSS (default)

Language issues

Contact data administrator (see contact information)

Years of collection, reference years, and sample sizes

Data was collected between 2007 and 2012 with a sample size of 90 (of total of 94) hospitals. Data collection is ongoing and is scheduled to continue at some point in the future.

First year of collection

2007

Stratification if applicable

Not applicable

Base used for sampling

Not applicable

Geographical coverage and breakdowns

Patients in the Netherlands

Age range

No age restrictions

Statistical representativeness

Representative for all interventions in the Netherlands

Coverage of main and cross-cutting topics

Detailed study of: Cardiovascular disorders; patient history, indication, interventions, outcome

Standardisation

Yes, certified organisation

Possibility of linkage among databases

anonymised data linkable

Entry errors if applicable

Entry errors are corrected by an audit on data.

Strengths: This registry has a large sample and includes safe and sound data. The data is also collected by a certified organisation.