 This CIHI generated information was then used by hospital boards to measure themselves against the national and international benchmark (15% in 2000).A 2009 study in the journal "Chronic Diseases in Canada" compared perinatal information in the CIHI's Discharge Abstract Database (DAD) with information found in a range a smaller clinically focused databases.According to findings of the researches, CIHI's DAD data compared favourably with the other databases and proved accurate for many of the diagnoses/procedures examined.