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. 2021 Oct 2;21:274. doi: 10.1186/s12911-021-01634-3

Table 1.

Clinical trial versus Real-world datasets for AI evaluation

Clinical trial datasets Real-world datasets
Setting Experimental Real world
Population Representativeness Selective sample Large sample
Type Homogeneous Heterogeneous
Size +/− ++++
Time period for recruitment and follow-up Limited Long
Data Type Clinical +/− -omics Clinical +/− -omics
Collected by Dedicated specialist professionals Various healthcare professionals
Quality +++ +/−
Need for data management +/− +++
Need for anonymization + +