Table 1.

PPi levels in plasma samples from 20 hemodialysis patients.

Samples	Platelet enriched residual plasma PPi [μM]	Platelet free plasma PPi [μM]
1	2.27	1.34
2	2.66	1.36
3	4.78	1.65
4	2.11	1.44
5	1.72	0.78
6	6.12	1.41
7	4.32	1.89
8	1.50	1.03
9	2.23	1.16
10	3.98	1.16
11	3.37	1.30
12	2.19	1.09
13	1.68	1.01
14	2.20	1.84
15	2.50	1.31
16	2.45	1.70
17	1.85	1.33
18	2.12	1.53
19	2.53	1.53
20	2.20	1.87
Mean ± SD	2.74 ± 1.19	1.39 ± 0.30

p < 0.01, Wilcoxon Signed Rank test for paired data