Table 3.

Missed lesions and false-positive lesions at 0.25, 0.4 and 0.8 mGy with SafeCT (MedicVision^®, Tirat Carmel, Israel), adaptive statistical iterative reconstruction (GE Healthcare, Waukesha, WI) and model-based iterative reconstruction (GE Healthcare)

	0.25 mGy	0.4 mGy	0.8 mGy
Missed lesions
Non-calcified lung nodules	25 (<5 mm)/112	18 (<5 mm)/112	3 (<4 mm)/112
GGOs	4 (<8 mm)/21	2 (<4 mm)/21	2 (<4 mm)/21
Thyroid nodules	3 (<3 mm)/3	2 (<3 mm)/3	2 (<3 mm)/3
Pleural effusions	3 (small)/5	2 (small)/5	2 (small)/5
False-positive lesions
Non-calcified lung nodules	7 (<4 mm)	4 (<4 mm)	none
GGOs	3 (<4 mm)	2 (<4 mm)	none

GGOs, ground-glass opacities.