Table 3.

Literature quality assessment.

Inclusion of literature	Type of research	Literature quality assessment tool	Evaluation of the results
Al-Mansouri et al. [16]	Cross-sectional study	AHRQ	Good
George et al. [18]	Interventional cohort study	NOS	8 scores
Murali et al. [19]	Cross-sectional study	AHRQ	Weak
Paik et al. [20]	Retrospective cohort study	NOS	9 scores
Van Oosten et al. [23]	Retrospective cohort study	NOS	7 scores
Parker et al. [17]	Prospective cohort study	NOS	8 scores
Iwashita et al. [14]	Cross-sectional study	AHRQ	Good
Cirevalli et al. [15]	Cross-sectional study	AHRQ	Good
Gupta et al. [22]	Cross-sectional study	AHRQ	Weak
Parker et al. [21]	Single renal network, cross-sectional study	AHRQ	Good