264
Participants
Start Date
April 30, 2013
Primary Completion Date
July 31, 2014
Study Completion Date
July 31, 2014
Ultra low dose CT scan
Ultra low dose CT scan
Regular CT or Low Dose CT scan
Regular CT or Low Dose CT scan
No imaging
No imaging
Yale University, New Haven
Agency for Healthcare Research and Quality (AHRQ)
FED
Yale University
OTHER