Table 3.

Summary of the reproducibility/repeatability studies.

Reference	Intra-repro	Inter-repro	Repeatability	Condition	Variables	Object	Modality
Jha et al. [23], 2021	30.7% (332/1080)	14.3% (154/1080)	82.2% (888/1080)	ICC >0.90	Slice Sickness	Phantoms	CT
Emaminejad et al. [24], 2021	8.0% (18/226)	/	/	CCC>0.90	Reconstruction	Patients	CT
	7.5% (17/226)	/	/	CCC>0.90	Radiation Dose	Patients	CT
Kim et al. [25], 2021	11.0% (112/1020)	/	/	CCC>0.85	Acceleration Factors	Patients	MRI
Ymashita et al. [26], 2020	/	5.6% (15/266)	/	CCC>0.90	Different Scanners	Patients	CECT
Fiset et al. [27], 2019	/	22.6% (398/1761)	/	ICC >0.90	Different Scanners	Patients	MRI
Saeedi et al. [28], 2019	20.5% (8/39)	/	/	CoV< 5%	Tube Voltage	Phantoms	CT
	30% (13/39)	/	/	CoV< 5%	Tube Current	Phantoms	CT
Meyer et al. [29], 2019	20.8% (22/106)	/	/	$R^2>0.95$	Radiation Dose	Patients	CT
	52.8% (56/106)	/	/	$R^2>0.95$	Reconstruction	Patients	CT
	39.6% (42/106)	/	/	$R^2>0.95$	Reconstruction	Patients	CT
	12.3% (13/106)	/	/	$R^2>0.95$	Slice Sickness	Patients	CT
Perrin et al. [30], 2018	24.8% (63/254)	/	/	CCC>0.90	Injection Rates	Patients	CECT
	13.4% (34/254)	/	/	CCC>0.90	Resolution	Patients	CECT
Midya et al. [31], 2018	11.7% (29/248)	/	/	CCC>0.90	Tube Current	Phantoms	CT
	19.8% (49/248)	/	/	CCC>0.90	Noise	Phantoms	CT
	63.3% (157/248)	/	/	CCC>0.90	Reconstruction	Patients	CT
Altazi et al. [32], 2017	21.5% (17/79)	/	/	Mean difference <25%	Reconstruction	Patients	PET
Zhao et al. [13], 2016	11.2% (10/89)	/	/	CCC>0.90	Reconstruction	Patients	CT
	/	/	69.7% (62/89)	CCC>0.90	/	Patients	CT
Hu et al. [33], 2016	/	/	64.0% (496/775)	ICC>0.80	/	Patients	CT
Choe et al. [34], 2019	15.2% (107/702)	/	/	CCC>0.85	Reconstruction	Patients	CT

CCC: concordance correlation coefficient; ICC: intraclass correlation coefficient; CoV: coefficient of variation; $R^2$: R-squared; CT: computed tomography; MRI: magnetic resonance imaging; CECT: consecutive contrast-enhanced computed tomography; PET: positron emission tomography.