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Table 2 Schedule of forms and procedures

From: Comparison of coronary computed tomography angiography image quality with high- and low-concentration contrast agents (CONCENTRATE): study protocol for a randomized controlled trial

  Baseline CT angiography CT perfusion Coronary angiography Study evaluation
Visit 1 Visit 2 Visit 3 Visit 4
Screening x     
Demographic x     
Medical history x     
Randomization x     
Vital signs   x    
Laboratory test x     
Vital signs 2   x    
CT angiography   x    
Vital signs 3    x   
CT perfusion    x   
Coronary angiography     x  
Study evaluation      x