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. 2021 Feb 26;4:40. doi: 10.1038/s41746-021-00412-9

Table 3.

Characterisation of the evidence for digital health technologies from included reports.

AI (n = 111) Big data (n = 89) IoT (n = 5) Telehealth (n = 99) DC (n = 27) DM (n = 4) DS (n = 22)

Translational relevance

(Method of analysis)

Prospective intention to treat (ITT) analysis 0 0 0

3

(3.0%)

1

(3.7%)

0 0
Prospective non-ITT analysis

3

(2.7%)

6

(6.7%)

1

(20.0%)

22

(22.2%)

4

(14.8%)

0 0
Retrospective analysis

7

(6.3%)

12

(13.5%)

0

35

(35.4%)

2

(7.4%)

0 0
Descriptive analysis (non-interventional) 101 (91.0%)

71

(79.8%)

4

(80.0%)

39

(39.4%)

20

(74.1%)

4

(100%)

22

(100%)

Strength of evidence

(Study design)

Randomised controlled trials (RCTs) 0 0 0 0 0 0 0
Cohort study

5

(4.5%)

9

(10.1%)

0

41

(41.4%)

3

(11.1%)

0 0
Case–control study

1

(0.9%)

1

(1.1%)

0

1

(1.0%)

0 0 0
Cross-sectional/ case series 13 (11.7%)

14

(15.7%)

1

(20.0%)

20

(20.2%)

3

(11.1%)

0 0
Survey on patient/Provider acceptance 0

1

(1.1%)

0

16

(16.2%)

4

(14.8%)

0 0
Case report of a patient

1

(0.9%)

0 0

6

(6.1%)

0 0 0
Description of a technology solution

91

(82.0%)

64

(71.9%)

4

(80.0%)

15

(15.2%)

17

(63.0%)

4

(100.0%)

22

(100%)