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Table 2 Test cases generated for external validation study

From: Analytical validation of Exandra: a clinical decision support system for promoting guideline-directed therapy of type-2 diabetes in primary care – a collaborative study with experts from Diabetes Canada

Study Phase

Total

Chapter 1. Glycemic management

Chapter 2. Dyslipidemia

Chapter 3. Blood pressure control

Chapter 4. Anti-platelet therapy

Phase 1 (online validation)

 Random test cases (PP)

950

282

282

282

104

 Test cases converted to PN

50

15

15

15

5

 Total

1000

297

297

297

109

Phase 2 (post-adjudication/final)

 Missing

4

4

0

0

0

 Final valid n

996

293

297

297

109

 Final valid % of all cases

100

29

30

30

11

  1. PN predicted negative, PP predicted positive