From: Timing optimization of low-dose first-pass analysis dynamic CT myocardial perfusion measurement: validation in a swine model
Parameter (n = 28)
Rest (mean ± SD)
Stress (mean ± SD)
p value
Heart rate (beats per min)
84.86 ± 13.67
93.04 ± 12.09
0.007
Gamma fit time-to-peak (s)
7.41 ± 1.93
7.19 ± 1.95
0.411
Peak enhancement (HU)
640.07 ± 150.12
540.07 ± 149.24
0.012