Fig 1.
PRISMA flow diagram.
Table 1.
Summary of pre and post-STROBE period Manuscript STROBE score (MSS), Manuscript NOS score (MNOS), Manuscript SIGN score (MSiS) & Manuscript CASP score (MCAS) by article.
The citations for the manuscripts are listed in online supplementary material (Item B in S1 File).
Table 2.
Median STROBE QUESTION SCORE (SQS), Difference (95% CI) with p value of the 55 data items (22 items were further sub-divided to 55 questions in total) in 37 CKD cohort studies, by publication period.
Table 3.
Summary of quality of reporting as assessed using the Manuscript STROBE Score (MSS).
Table 4.
Quality of the reporting of observational studies as assessed using the Manuscript STROBE score (MSS) over time.
Fig 2.
Time series of Manuscript STROBE scores (MSS) from spline linear regression models.
Fig 3.
Box plot summarising methodological quality of the studies in the Pre and Post-STROBE period as assessed using the NOS, CASP and SIGN.