Table 1.
Quality assessment of studies included in this systematic review.
| Study [Reference] | Study design | Score awarded/Full score |
Percent (%) | |||
|---|---|---|---|---|---|---|
| Selection | Comparability | Exposure/Outcome | Total | |||
| Biver E [9] | Cross-sectional | 2/4 | 2/2 | 2/2 | 6/8 | 75.0 |
| Center JR [11] | Prospective cohort | 4/4 | 0/2 | 3/3 | 7/9 | 77.78 |
| Ettinger B [5] | Prospective cohort | 4/4 | 2/2 | 2/3 | 8/9 | 88.89 |
| Gehlbach S [18] | Prospective cohort | 3/4 | 1/2 | 2/3 | 6/9 | 66.67 |
| Gnudi S [25] | Prospective cohort | 3/4 | 1/2 | 2/3 | 6/9 | 66.67 |
| Gnudi S [14] | Cross-sectional | 3/4 | 0/2 | 2/2 | 5/8 | 62.5 |
| Greenfield DM [20] | Cross-sectional | 3/4 | 2/2 | 2/2 | 7/8 | 87.5 |
| Ho PY [27] | Case control | 3/4 | 1/2 | 1/3 | 5/9 | 55.56 |
| Ingle BM [19] | Cross sectional | 4/4 | 1/2 | 2/2 | 7/8 | 87.5 |
| Lauritzen JB [23] | Prospective cohort | 3/4 | 2/2 | 1/3 | 5/9 | 55.56 |
| Lee DO [26] | Case-control | 3/4 | 1/2 | 2/2 | 6/8 | 75.0 |
| Morin SN [17] | Retrospective cohort | 4/4 | 2/2 | 2/3 | 8/9 | 88.89 |
| Pritchard JM [22] | Prospective cohort | 4/4 | 2/2 | 1/3 | 7/9 | 77.78 |
| Robinson CM [8] | Prospective cohort | 4/4 | 2/2 | 1/3 | 7/9 | 77.78 |
| Schuit SC [13] | Prospective cohort | 3/4 | 1/2 | 2/3 | 6/9 | 66.67 |
| Seeley DG [24] | Prospective cohort | 4/4 | 2/2 | 2/3 | 8/9 | 88.89 |
| Stein EM [12] | Cross-sectional | 3/4 | 0/2 | 2/2 | 5/8 | 62.5 |
| Stone K [10] | Prospective cohort | 3/4 | 1/2 | 3/3 | 7/9 | 77.78 |
| Taylor AJ [21] | Retrospective cohort | 3/4 | 2/2 | 1/3 | 6/9 | 66.67 |