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. 2020 Dec 30;16(1):107–120. doi: 10.2215/CJN.09360620

Figure 4.

Figure 4.

Randomized controlled trials (RCTs) and non-RCTs included in a systematic review examining the effect of phosphate-specific diet therapy provided by a dietitian on serum phosphate levels demonstrate high or some/moderate concerns in risk of bias. Risk of bias demonstrated in individual (A) randomized controlled trials (RCTs) and (B) non-RCTs included in a systematic review examining the effect of phosphate-specific diet therapy provided by a dietitian on serum phosphate levels.