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. 2012 Oct 15;7(10):e47365. doi: 10.1371/journal.pone.0047365

Table 4. Kaplan-Meyer analysis of survival.

Overall Survival Progression free survival
Variables Median OS Median OS Chi- p Median PFS Median PFS Chi- p
Altered levels Normal levels square Altered levels Normal Levels square
CECs>20 cells/mL 8 11 (8.9–13) 0.52 0.5 9 (6–11) 10 (7.9–12) 0.64 0.4
MPs>3278 MP/µL 16 10 (6.1–13.8) 4.3 0.04 15(11.4–18) 9 (8–12) 4.02 0.04
ETG>275 nMol 7(0.11–13.8) 11 (6.6–15.3) 0.05 0.8 6 (0–14) 11 1.5 0.2

OS and PFS in patients according to pre-treatment marker levels (compared to 99th percentile of controls).The upper reference limit levels of parameters were calculated as values higher than the 99th percentile of the control group (healthy subjects) and were set at: CECs = 20 cells/L; MPs = 3278 MP/µL; ETG = 275 mM. CEC, circulating endothelial cells; MPs, microparticles; ETG, endogenous thrombin generation.