Table A3.
Quality Assessment Tool for Observational Cohort and Cross-sectional Studies (QATOCC) scoring details for each of the cross-sectional (CS) studies.
| Citation | Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 | Q9 | Q10 | Q11 | Q12 | Q13 | Q14 | Quality Assessment Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shi et al., 2008 [27] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 0 | 6 |
| Haghighatdoost et al., 2012 [28] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 0 | 5 |
| Santana et al., 2012 [29] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | CD* | 0 | 0 (NR) | NA | 0 | 5 |
| Grandner et al., 2013 [30] | 1 | 1 | 1 | 1 | 0 | 0 | NA | 1 | 1 | 0 | 1 | 0 (NR) | NA | 1 | 8 |
| Kant & Graubard, 2014 [31] | 1 | 1 | 1 | 0 | 0 | 0 | NA | 1 | 1 | 0 | 0 | 0 (NR) | NA | 1 | 6 |
| Katagiri et al., 2014 [32] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | 1 | 1 | 0 (NR) | NA | 1 | 8 |
| Poggiogalle et al., 2016 [33] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | 1 | 1 | 0 (NR) | NA | 1 | 8 |
| Doo & Kim, 2016 [34] | 1 | 1 | 1 | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 1 | 8 |
| Doo et al., 2016 [35] | 1 | 1 | 1 | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 1 | 8 |
| Heath et al., 2016 [36] | 1 | 1 | 0 (NR) | 1 | 0 | 0 | NA | 1 | 1 | 1 | 1 | 0 (NR) | NA | 1 | 8 |
| Doo & Kim, 2016 [37] | 1 | 1 | 1 | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 1 | 8 |
| Bennett et al., 2017 [38] | 1 | 1 | 1 | 1 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 1 | 8 |
| Spaeth et al., 2017 [39] | 1 | 1 | 0 (NR) | 0 (NR) | 0 | 0 | NA | 1 | 1 | 1 | 1 | 0 (NR) | NA | CD* | 6 |
| Komada et al., 2017 [40] | 1 | 1 | 0 (NR) | 0 (NR) | 0 | 0 | NA | 1 | 1 | 1 | 1 | 0 (NR) | NA | 1 | 7 |
| Liu et al., 2018 [41] | 1 | 1 | 0 (NR) | 0 | 0 | 0 | NA | 1 | 1 | 1 | 0 | 0 (NR) | NA | 1 | 6 |
| Total Score of each question | 15 | 15 | 7 | 11 | 0 | 0 | NA | 15 | 15 | 12 | 6 | 0 | NA | 12 |
* CD (Cannot be determined); NA (Not applicable); NR (Not reported); Quality Assessment Domains: Q1–4. Selection bias; Q5. Detection bias; Q6, 10. Performance bias; Q7, 8, 14. Attrition bias; Q9, 11, 12. Reporting bias.