Table 2 Quality evaluation results of non-randomised controlled studies
Inclusion in the study | Selection of research subjects | Comparability | Outcome measurement | Rating | GRADE | |||||
|---|---|---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | A | B | C | ||||
Sandean et al. [28] | – | * | * | – | * | * | – | – | 4 | Fair |
Xiong et al. [30] | * | * | * | – | * | * | – | * | 5 | Fair |
Sandean et al. [29] | * | * | * | – | * | * | – | * | 6 | Fair |
Saleh et al. [27] | * | * | * | – | * | * | – | – | 5 | Fair |
Lasocki et al. [34] | * | * | * | – | * | * | – | * | 6 | Fair |
Myers et al. [25] | * | * | * | – | * | * | – | * | 6 | Fair |
Jans et al. [1] | * | * | * | – | * | * | – | * | 5 | Fair |
Lu et al. [14] | – |  | * | – | * | * | * | * | 5 | Fair |
Kasivisvanathan et al. [24] | * | * | * | – | * | * | * | * | 7 | Good |
Abdullah et al. [7] | * | * | * | – | * | * | – | – | 5 | Fair |
Evans et al. [35] | * | * | * | – | * | * | – | – | 5 | Fair |
Wan et al. [40] | * |  | * | – | * | * | – | * | 4 | Fair |
Gu et al. [17] | * | * | * | – | * | * | * | * | 7 | Good |
Greenky [31] | * | * | * | – | * | * | – | – | 6 | Fair |
Rogers et al. [26] | * | * | * | – | * | * | – | – | 5 | Fair |
Duarte et al. [39] | * | * | * | – | * | * | – | * | 6 | Fair |
Schatz et al. [37] | * | * | * | – | ** | * | – | * | 6 | Fair |
Abdullah et al. [33] | * | * | * | – | * | * | – | – | 5 | Fair |
Bailey et al. [38] | * | * | * | – | * | * | – | * | 6 | Fair |
Viola et al. [32] | * | * | * | – | * | * | * | * | 7 | Good |
Meybohm et al. [36] | * | * | * | – | * | * | – | * | 6 | Fair |