Appendix 3.
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) scores of included observational studies.
| Study | Title and abstract (1.a, 1.b)* | Introduction (2, 3) | Methods (4–12) | Results (13–17) | Discussion (18–21) | Other information (22) | Total score |
|---|---|---|---|---|---|---|---|
| Allali 2017 [60] | 2 | 2 | 8 | 5 | 3 | 1 | 21 |
| Allan 2005 [29] | 2 | 2 | 9 | 9 | 4 | 1 | 27 |
| Allan 2009 [31] | 1 | 2 | 6 | 8 | 3 | 0 | 20 |
| Ansai 2017 [59] | 2 | 2 | 7 | 3 | 3 | 1 | 18 |
| Biju 2022 [32] | 2 | 2 | 8 | 4 | 3 | 1 | 20 |
| Borges 2015 [14] | 1 | 2 | 6 | 2 | 2 | 1 | 14 |
| Camicioli 2004 [33] | 2 | 1 | 7 | 8 | 3 | 0 | 21 |
| Chantanachai 2022 [50] | 2 | 2 | 6 | 6 | 3 | 1 | 20 |
| Dev 2021 [34] | 2 | 1 | 5 | 4 | 2 | 1 | 15 |
| Harper 2020 [55] | 2 | 2 | 9 | 4 | 4 | 0 | 21 |
| Horikawa 2005 [30] | 2 | 1 | 5 | 6 | 3 | 0 | 17 |
| Le Floch 2021 [54] | 1 | 2 | 7 | 3 | 4 | 0 | 17 |
| Lorbach 2007 [36] | 1 | 2 | 8 | 3 | 4 | 1 | 19 |
| Mignardot 2014 [61] | 2 | 2 | 8 | 3 | 3 | 0 | 18 |
| Oki 2021 [37] | 2 | 2 | 7 | 6 | 4 | 1 | 22 |
| Pieruccini-Faria 2020 [52] | 2 | 2 | 8 | 6 | 3 | 0 | 21 |
| Snir 2019 [58] | 1 | 2 | 9 | 5 | 4 | 0 | 21 |
| Soysal 2021 [39] | 1 | 2 | 8 | 5 | 3 | 1 | 20 |
| Suttanon 2011 [40] | 1 | 2 | 5 | 5 | 4 | 0 | 17 |
| Uemura 2014 [49] | 2 | 2 | 8 | 5 | 3 | 1 | 21 |
| Weller 2004 [45] | 1 | 1 | 5 | 5 | 3 | 0 | 15 |
*
The numbers inside the parentheses are the item numbers included in each of the six STROBE sections. Mean ± standard deviation score: 19.3 ± 2.9.