Comparison of 640-slice Aquilon ONE CT scanner’s measured dosimetric parameters with ICRP dose reference levels for head, chest and abdominal CT examinations

Table 3 Effective dose

Body region	Patient category	Weighting factor W _T	Effective dose E _D (mGy)
Body region	Patient category	Weighting factor W _T	ICRP DRL	Measured	Rel. dev., %
Head	Pediatric	0.01	6.15	4.07	−33.8
Head	Adult	0.01	10.50	10.08	−4.0
Chest	Pediatric	0.12	60.00	8.06	−86.6
Chest	Adult	0.12	78.00	33.86	−56.6
Abdomen	Pediatric	0.12	45.00	11.16	−75.2
Abdomen	Adult	0.12	93.60	42.42	−54.4

ISSN: 2056-5917