Skip to main content
. Author manuscript; available in PMC: 2020 Aug 31.
Published in final edited form as: J Cardiovasc Comput Tomogr. 2016 Jul 27;10(5):359–363. doi: 10.1016/j.jcct.2016.07.016

Table 1:

Scan Parameters and Radiation Dose

N=200 Standard Dose 1 Standard Dose 2 Reduced Dose 1 Reduced Dose 2
Current ± SD, mA 389.8 ± 202.2 390.6 ± 203.3 120.5 ± 82.1 120.5 ± 85.2
Z-Coverage ± SD, mm 117 ± 7 117 ± 7 117 ± 7 117 ± 7
Scans at 120mm Z-coverage, n (%) 168 (84%) 168 (84%) 168 (84%) 168 (84%)
DLP, mGy * cm Median (5th, 95th) 26.3 (16.8, 84.1) 26.3 (16.8, 84.1) 26.4 (17.1, 38.0) 26.4 (17.1, 38.0)
Effective Dose, mSv Median (5th, 95th) 1.4 (0.46, 3.2) 1.4 (0.46, 3.2) 0.37 (0.15, 1.2) 0.37 (0.15, 1.2)
Heart Rate ± SD, beats per minute 58 ± 8 58 ± 8 58 ± 8 58 ± 8

Abbreviations: mA = milliampere; mm = millimeters; DLP = Dose Length Product; mSv = millisievert; SD = Standard Deviation