Since its designation as an Evidence-based Practice Center by the Agency for Healthcare Research and Quality in 1997, it has undertaken systematic reviews of clinical procedures using metaanalysis for the Medicare program, other federal and state agencies and clinical specialty organizations.
According to the Agency for Healthcare Research and Quality (AHRQ), the group under the highest risk of C2 fractures are elderly people within the age group of 65-84(39.02%) at risks of falls (61%) or motor accidents (21%) in metropolitan areas (94%).