Table 2 Assessment of the included studies using the GRADE scale
Author / Year | Risk of bias | Imprecision | Inconsistency | Indirectness | Publication Bias |
|---|---|---|---|---|---|
Murbay et al. [18] | Very low | Very low | Very low | Very low | Very low |
Dwisaptarini et al. [19] | Very low | Very low | Very low | Very low | Very low |
Pulijala et al. [20] | Very low | Very low | Very low | Very low | Very low |
Tubelo et al. [21] | Very low | Very low | Very low | Very low | Very low |
Samuel koo et al. [22] | Very low | Very low | Very low | Very low | Very low |
Hirono Kikuchi et al. [23] | Very low | Very low | Very low | Very low | Very low |
Riki Gottlieb et al. [24] | Very low | Very low | Very low | Very low | Very low |
Nardy Casap et al. [25] | Very low | Very low | Very low | Very low | Very low |
Suebnukarn et al. [26] | Very low | Very low | Very low | Very low | Very low |
Buchanan et al. [27] | Very low | Very low | Very low | Very low | Very low |
Al-Saud et al. [28] | Very low | Very low | Very low | Very low | Very low |
Liebermann et al. [14] | Very low | Very low | Very low | Very low | Very low |
Zhang et al. [29] | Very low | Very low | Very low | Very low | Very low |
Siah Mansoory et al. [13] | Very low | Very low | Very low | Very low | Very low |