TY - JOUR
T1 - The Western Denmark Cardiac Computed Tomography Registry
T2 - a review and validation study
AU - Nielsen, Lene Hüche
AU - Nørgaard, Bjarne Linde
AU - Tilsted, Hans-Henrik
AU - Sand, Niels Peter
AU - Jensen, Jesper Møller
AU - Bøttcher, Morten
AU - Diederichsen, Axel C.
AU - Lambrechtsen, Jess
AU - Kristensen, Lone Deibjerg
AU - Mickley, Hans
AU - Munkholm, Henrik
AU - Gøtzsche, Ole
AU - Knudsen, Lars Lyhne
AU - Bøtker, Hans Erik
AU - Pedersen, Lars
AU - Schmidt, Morten
PY - 2015
Y1 - 2015
N2 - Background: As a subregistry to the Western Denmark Heart Registry (WDHR), the Western Denmark Cardiac Computed Tomography Registry (WDHR-CCTR) is a clinical database established in 2008 to monitor and improve the quality of cardiac computed tomography (CT) in Western Denmark.Objective: We examined the content, data quality, and research potential of the WDHR-CCTR.Methods: We retrieved 2008–2012 data to examine the 1) content; 2) completeness of procedure registration using the Danish National Patient Registry as reference; 3) completeness of variable registration comparing observed vs expected numbers; and 4) positive predictive values as well as negative predictive values of 19 main patient and procedure variables.Results: By December 31, 2012, almost 22,000 cardiac CTs with up to 40 variables for each procedure have been registered. Of these, 87% were coronary CT angiography performed in patients with symptoms indicative of coronary artery disease. Compared with the Danish National Patient Registry, the overall procedure completeness was 72%. However, an additional medical record review of 282 patients registered in the Danish National Patient Registry, but not in the WDHR-CCTR, showed that coronary CT angiographies accounted for only 23% of all nonregistered cardiac CTs, indicating >90% completeness of coronary CT angiographies in the WDHR-CCTR. The completeness of individual variables varied substantially (range: 0%–100%), but was >85% for more than 70% of all variables. Using medical record review of 250 randomly selected patients as reference standard, the positive predictive value for the 19 variables ranged from 89% to 100% (overall 97%), whereas the negative predictive value ranged from 97% to 100% (overall 99%). Stratifcation by center status showed consistently high positive and negative predictive values for both university (96%/99%) and nonuniversity centers (97%/99%).Conclusion: WDHR-CCTR provides ongoing prospective registration of all cardiac CTs performed in Western Denmark since 2008. Overall, the registry data have a high degree of completeness and validity, making it a valuable tool for clinical epidemiological research.
AB - Background: As a subregistry to the Western Denmark Heart Registry (WDHR), the Western Denmark Cardiac Computed Tomography Registry (WDHR-CCTR) is a clinical database established in 2008 to monitor and improve the quality of cardiac computed tomography (CT) in Western Denmark.Objective: We examined the content, data quality, and research potential of the WDHR-CCTR.Methods: We retrieved 2008–2012 data to examine the 1) content; 2) completeness of procedure registration using the Danish National Patient Registry as reference; 3) completeness of variable registration comparing observed vs expected numbers; and 4) positive predictive values as well as negative predictive values of 19 main patient and procedure variables.Results: By December 31, 2012, almost 22,000 cardiac CTs with up to 40 variables for each procedure have been registered. Of these, 87% were coronary CT angiography performed in patients with symptoms indicative of coronary artery disease. Compared with the Danish National Patient Registry, the overall procedure completeness was 72%. However, an additional medical record review of 282 patients registered in the Danish National Patient Registry, but not in the WDHR-CCTR, showed that coronary CT angiographies accounted for only 23% of all nonregistered cardiac CTs, indicating >90% completeness of coronary CT angiographies in the WDHR-CCTR. The completeness of individual variables varied substantially (range: 0%–100%), but was >85% for more than 70% of all variables. Using medical record review of 250 randomly selected patients as reference standard, the positive predictive value for the 19 variables ranged from 89% to 100% (overall 97%), whereas the negative predictive value ranged from 97% to 100% (overall 99%). Stratifcation by center status showed consistently high positive and negative predictive values for both university (96%/99%) and nonuniversity centers (97%/99%).Conclusion: WDHR-CCTR provides ongoing prospective registration of all cardiac CTs performed in Western Denmark since 2008. Overall, the registry data have a high degree of completeness and validity, making it a valuable tool for clinical epidemiological research.
KW - Coronary computed tomography angiography
KW - Database
KW - Epidemiology
KW - Registries
U2 - 10.2147/CLEP.S73728
DO - 10.2147/CLEP.S73728
M3 - Review article
AN - SCOPUS:84920460306
SN - 1179-1349
VL - 7
SP - 53
EP - 64
JO - Clinical Epidemiology
JF - Clinical Epidemiology
ER -