Table 1.
Search strategy for PubMed.
Fig 1.
Process used for study selection.
Abbreviations: BP, blood pressure; CKD, chronic kidney disease.
Table 2.
Baseline characteristics of the selected studies.
Fig 2.
A forest plot of the association between prehypertension and CKD compared to optimal BP.
Abbreviations: RR, risk ratio; CI, confidence interval.
Fig 3.
Subgroup analysis for gender difference of CKD in prehypertension compared to optimal BP.
Abbreviations: RR, risk ratio; CI, confidence interval.
Fig 4.
Subgroup analysis for ethnicity difference in CKD in prehypertension compared to optimal BP.
Abbreviations: RR, risk ratio; CI, confidence interval.
Table 3.
Assessment of study quality.