Data quality at the Singapore Cancer Registry: An overview of comparability, completeness, validity and timeliness.

Aim: To provide a comprehensive evaluation of the quality of the data at the Singapore Cancer Registry (SCR).

Methods: Quantitative and semi-quantitative methods were used to assess the comparability, completeness, accuracy and timeliness of data for the period of 1968-2013, with focus on the period 2008-2012.

Results: The SCR coding and classification systems follow international standards.