Table 2:

Univariate ANOVA of potential clinical predictors of platelet inhibition

Demographics	Mean Platelet Inhibition (%)	P Value
Age (yr)
<55 years (n = 22)	38.6	.752
>55 years (n = 74)	36.7
Sex (No.)
Women (n = 40)	39.1	.509
Men (n = 56)	35.7
Medical history
Hypertension (No.)
No (n = 31)	40.4	.355
Yes (n = 65)	35.5
Diabetes (No.)
No (n = 64)	40.9	.029
Yes (n = 32)	29.4
Hyperlipidemia (No.)
No (n = 50)	33.1	.067
Yes (n = 46)	42.2
Coronary artery disease (No.)
No (n = 75)	37.7	.652
Yes (n = 21)	35.0
Prior stroke (No.)
No (n = 68)	39.0	.254
Yes (n = 28)	32.7
Statin use (n = No.)
No (n = 38)	30.0	.012
Yes (n = 54)	42.7
Aspirin use (No.)
No (n = 19)	34.0	.491
Yes (n = 73)	38.3