Table 4.

Recommended characteristics for inclusion in an evaluation framework for injury surveillance systems

	EFISS characteristics
Data quality characteristics	Five characteristics were identified to assess the data quality of an injury surveillance system, including: data completeness, sensitivity, specificity, positive predictive value, and representativeness.
Operational characteristics	Nine characteristics were identified to assess the operation of an injury surveillance system, including: system purpose and objectives, data collection process, case definitions, timeliness, quality control measures, data confidentiality, individual privacy, system security, and uniform classification systems.
Practical characteristics	Four characteristics were identified to assess the practical capability of an injury surveillance system, including: data accessibility, routine data analysis, guidance material to aid interpretation, and usefulness.