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Table 4 Number of publications for different evaluation processes

From: Diagnosis support systems for rare diseases: a scoping review

Evaluation

Data driven

Knowledge-based

Hybrid

Comparison to other methods

15 studies

9 studies

4 studies

Comparison to other tools

1 study

8 studies

3 studies

Comparison to experts

3 studies

1 study

1 study

External validation

8 studies

8 studies

2 studies

Method for imbalance issue

2 studies

0 studies

0 studies

Total

29 studies

19 studies

13 studies

  1. The number of studies is specified for each evaluation process according to the type of knowledge included. External validation is only specified in 18 studies, and a specific method to address imbalance issues is only specified in two studies