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. Author manuscript; available in PMC: 2011 Jan 10.
Published in final edited form as: Climacteric. 2009 Apr;12(2):177–184. doi: 10.1080/13697130802488607

Table 2.

Platelet characteristics. Data are given as mean ± SEM (range)

17β-estradiol ≤20 pg/ml (n = 21) 17β-estradiol > 40 pg/ml (n = 11)
Platelets/μl × 103 241 ± 10 243 ± 20
P-selectin-positive (%)
Basal 4.4 ± 2.1 2.2 ± 0.4
sTRAP 93 ± 0.6 92 ± 0.7
ADP 67 ± 2.8 70 ± 3.1
PAC-1-positive (%)
Basal 1.0 ± 0.1 0.8 ± 0.2
sTRAP 9.0 ± 1.3 (2–21) 19 ± 4.6 (1–50)*
ADP 67 ± 2.9 (31–88) 82 ± 2.8 (62–94)*

sTRAP, thrombin receptor agonist peptide; ADP, adenosine diphosphate

*

Significantly different from low estrogen, p < 0.05