Fig 1.
Search methodology and selection process.
Table 1.
Main characteristics of studies included in the meta-analysis of the effects of L-carnitine on dialysis-related hypotension.
Table 2.
Risk of bias according to revised Cochrane risk-of-bias tool for randomized trials.
Fig 2.
Forest plots of the included studies assessing odds ratio of dialysis-related hypotension.
Fig 3.
a. Trial sequential analysis on the effect of L-carnitine on dialysis-related hypotension. b. Trial sequential analysis on the effect of L-carnitine on muscle cramps.
Table 3.
Summary effects of L-carnitine and subgroup analysis on the route of L-carnitine supplementation, dose and duration of treatment on outcomes of interest among hemodialysis patients.
Table 4.
Comparison between previous meta-analysis and the present study.