Title
Development and validation of queries using structured query language (SQL) to determine the utilization of comparison imaging in radiology reports stored on PACS.
Abstract
The purpose of this research was to develop queries that quantify the utilization of comparison imaging in free-text radiology reports. The queries searched for common phrases that indicate whether comparison imaging was utilized, not available, or not mentioned. The queries were iteratively refined and tested on random samples of 100 reports with human review as a reference standard until the precision and recall of the queries did not improve significantly between iterations' Then, query accuracy was assessed on a new random sample of 200 reports. Overall accuracy of the queries was 95.6%. The queries were then applied to a database of 1.8 million reports. Comparisons were made to prior images in 38.69% of the reports (693,955/1,793,754), were unavailable in 18.79% (337,028/1,793,754), and were not mentioned in 42.52% (762,771/1,793,754). The results show that queries of text reports can achieve greater than 95% accuracy in determining the utilization of prior images.
Year
DOI
Venue
2006
10.1007/s10278-005-7667-y
JOURNAL OF DIGITAL IMAGING
Keywords
Field
DocType
query,structured query language (SQL),databases
SQL,Query language,Information retrieval,Computer science,Radiology information systems,Precision and recall,Software,Query by Example,Spatial query,Radiology,Reference standards
Journal
Volume
Issue
ISSN
19
1.0
0897-1889
Citations 
PageRank 
References 
4
0.63
1
Authors
6
Name
Order
Citations
PageRank
Paras Lakhani1325.63
Elliot D Menschik2296.62
Alberto F Goldszal340.97
Joseph P Murray440.63
Mark G. Weiner5103.01
Curtis P Langlotz621326.80