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. Author manuscript; available in PMC: 2016 Feb 12.
Published in final edited form as: J Am Coll Cardiol. 2014 Oct 21;64(16):1669–1678. doi: 10.1016/j.jacc.2014.04.087

TABLE 2.

Baseline Psychometric, Platelet Aggregation, and Cardiovascular Hemodynamics

Baseline Psychometric Parameters
Females
(n = 52)
Males
(n = 250)
p Value
H/o depression 31.48 10.16 <0.001
Baseline sadness 13.6 (7.7, 19.5) 6.7 (4.8, 8.6) 0.007
Baseline tension 22.7 (15.8, 29.6) 15.4 (12.9, 17.9) 0.02
Baseline frustration* 15.6 (7.8, 23.5) 7.2 (5.3, 9.2) 0.18
Baseline calm 74.8 (67.8, 81.9) 85.5 (83.1, 88.0) <0.001
Baseline in-control 77.4 (70.1, 84.6) 82.1 (79.1, 85.0) 0.2
Cook-Medley Hostility score 9.6 (8.2, 11.0) 10.4 (9.8, 11.0) 0.3
State anxiety 31.4 (28.9, 34.0) 28.3 (27.2, 29.3) 0.02
Trait anxiety 38.6 (35.4, 41.9) 33.0 (31.8, 34.2) <0.001
Perceived stress 26.6 (24.6, 28.5) 22.1 (21.3, 23.0) <0.001
BDI II 10.9 (8.6, 13.1) 7.9 (7.1, 8.7) 0.004
CESD score 33.7 (31.1, 36.6) 29.4 (28.4, 30.4) <0.001

Resting Platelet Aggregation: Area Under the Curve
Females
(n = 38)
Males
(n = 238)
p Value

Epinephrine 10 μm 191.3 (149.8, 232.8) 137.9 (125.1, 150.8) 0.004
Collagen 10 μm 292.8 (260.0, 325.6) 273.1 (260.3, 285.9) 0.26
ADP 5 μm 239.6 (199.7, 279.5) 248.9 (234.6, 263.3) 0.64
5HT 10 um + epinephrine 10 μm 264.6 (232.7, 296.5) 241.5 (230.2, 252.9) 0.14
5HT 10 μm + collagen 2μm 253 (226.9, 279.2) 238.7 (226.8, 250.7) 0.37
5HT 10 μm + ADP 1μm 229.7 (192.3, 267.2) 216.2 (202.9, 229.5) 0.46
5HT 10 μm 11.5 (2.8, 20.3) 4.5 (2.3, 6.0) 0.007

Baseline Cardiovascular Hemodynamics
Females
(n = 49)
Males
(n = 242)
p Value

Baseline resting SBP 128 (122.4, 132.9) 127 (124.3, 128.9) 0.73
Baseline resting DBP 71 (68.0, 74.0) 73 (71.6, 74.6) 0.24
Baseline resting HR 70 (66.7, 73.3) 68 (66.2, 68.9) 0.14
Baseline resting HR × SBP   8,894 (8,313.5, 9,473.5)   8,563 (8,323.2, 8,801.9) 0.27

Values are % or mean (95% confidence intervals).

*

A nonparametric method of comparison was used.

ADP = adenosine diphosphate; BDI = Beck Depression Inventory; CESD = Center for Epidemiologic Studies Depression Scale; DBP = diastolic blood pressure; H/o = history of; HR = heart rate; SBP = systolic blood pressure; 5HT = serotonin.

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