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Table 3: Comparison of the currently reported techniques with 4D-CTA techniques (excluding combined 4D-CTA/CTP techniques) reported by other groups
Report Exposure Duration (sec) Rotation Time (ms) Exposure Parameters Effective Dose (mSv)
Brouwer et al (2010)² 22 NS 80 kV, 120 mA 5.1
Hoogenboom et al (2012)¹¹ 15 500 80 kV, 240 mA NS
Fujiwara et al (2013)³ 12^{^a} 500 80 kV, 200 mA 5.2
Willems et al (2011)¹ and (2012)⁵ 22 1000 80 kV, 100 mA 5.2
D'Orazio et al (2014)¹⁰ 15 350 80 kV, 120 mA 5.62
This study 
    Estimated duration 15.6 (16 with option to adjust) 750 80 kV, 150 mA 6.9
    Measured exposure 10.1 (mean) 1000 80 kV, 100 mA 3.4
Note:—NS indicates not stated.
↵a Ten-second continuous exposure followed by 4 intermittent exposures.

Report	Exposure Duration (sec)	Rotation Time (ms)	Exposure Parameters	Effective Dose (mSv)
Brouwer et al (2010)²	22	NS	80 kV, 120 mA	5.1
Hoogenboom et al (2012)¹¹	15	500	80 kV, 240 mA	NS
Fujiwara et al (2013)³	12^{^a}	500	80 kV, 200 mA	5.2
Willems et al (2011)¹ and (2012)⁵	22	1000	80 kV, 100 mA	5.2
D'Orazio et al (2014)¹⁰	15	350	80 kV, 120 mA	5.62
This study
Estimated duration	15.6 (16 with option to adjust)	750	80 kV, 150 mA	6.9
Measured exposure	10.1 (mean)	1000	80 kV, 100 mA	3.4