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Table 2 Changes in serum phosphorus level from baseline at week 3

From: Effect of chitosan chewing gum on reducing serum phosphorus in hemodialysis patients: a multi-center, randomized, double-blind, placebo-controlled trial

Treatment

Serum phosphorus Mean ± SD (mg/dl)

 

Phosphate binder

 

n

Baseline

End of treatment

Change from baseline

U-test

Overall

HS219

35

6.7 ± 1.0

6.4 ± 1.3

-0.3 ± 1.2

p = 0.652

Placebo

28

6.5 ± 1.3

6.3 ± 1.3

-0.2 ± 1.2

CaCO3

HS219

18

6.6 ± 1.0

6.1 ± 1.2

-0.4 ± 1.3

p = 0.799

Placebo

11

6.3 ± 1.3

6.1 ± 1.0

-0.2 ± 0.9

Sevelamer

HS219

17

6.7 ± 1.1

6.6 ± 1.5

-0.1 ± 1.0

p = 0.568

Placebo

17

6.6 ± 1.3

6.4 ± 1.5

-0.2 ± 1.4