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Table 2 Selected articles’ levels of evidence

From: Patient satisfaction with e-oral health care in rural and remote settings: a systematic review

Author/year/country/

Level of evidence

(Oxford Centre for EBM 2009)

1. Patterson and Botchway/1998/Canada [29]

4

2. Scuffham and Steed/2002/United Kingdom [30]

3b

3. Ignatius et al./2010/Finland [31]

3b

4. Herce et al./2011/Spain [32]

1b

5. Salazar-Fernandez et al./2012/Spain [33]

1b

6. Birur et al./2015/India [34]

1b

7. Marino et al./2016/Australia [35]

2b

8. Wood et al./2016 (I)/USA [36]

4

9. Wood et al./2016 (II)/USA [37]

2b

10. Petruzzi and De Benedittis./2016/Italy [38]

4

11. Purohit BM et al./2016/India [39]

4

12. Estai M et al./2017/Australia [40]

3b

13. Teoh J et al./2018/Australia [41]

3b

14. Tynan et al./2018 (I)/Australia [42]

4

15. Tynan et al./2018 (II)/Australia [43]

4

16. Vinayagamoorthy et al./2019/India [44]

4

  1. [Ref: Centre for Evidence-Based Medicine. Levels of Evidence. Oxford: Oxford Centre for Evidence-Based Medicine; 2009. https://www.cebm.ox.ac.uk/resources/levels-of-evidence/oxford-centre-for-evidence-based-medicine-levels-of-evidence-march-2009. Accessed 20 October 2020]