[Retracted] Registered Trials of Artificial Intelligence Conducted on Chronic Liver Disease: A Cross-Sectional Study on ClinicalTrials.gov

Table 3

Designs of 7 interventional trials registered in ClinicalTrial.gov.

Characteristics	Number	Percentage (%)
Primary purpose
Diagnosis	3	42.86
Treatment	1	14.29
Screening	1	14.29
Health services research	1	14.29
Other	1	14.29
Intervention
Behavioral	3	42.86
Device	1	14.29
Diagnostic test	2	28.57
Other	1	14.29
Intervention model
Parallel assignment	5	71.43
Single group assignment	2	28.57
Sequential assignment	0	0
Crossover assignment	0	0
Factorial assignment	0	0
Allocation
Randomized	4	57.14
Nonrandomized	1	14.29
N/A	2	28.57
Masking
Single	2	28.57
Double	1	14.29
None (open-label)	4	57.14
Registered year
2004-2010	0	0
2011-2016	1	14.29
2017-2021	6	85.71
Enrollment
0-99	1	14.29
100-500	6	85.71
>500	0	0
Gender
Female only	1	14.29
Both	6	85.71
Age
<18	0	0
≥18	7	100.00
All	0	0
Status
Not recruiting	1	14.29
Recruiting	3	42.86
Completed	3	42.86
Study results
Has results	1	14.29
No results available	6	85.71
Sponsor
University	4	57.14
Hospital	2	28.57
Company/industry	1	14.29
Institute	0	0
Other	0	0
Collaborators
University	1	14.29
Hospital	3	42.86
Company/industry	1	14.29
Institute	2	28.57
Other	0	0
Location
America	3	42.86
Europe	1	14.29
Asia	3	42.86