Table 2. Effect of Aspirin and... | American Society of Hematology

Table 2.

Effect of Aspirin and Ticlopidine on Platelet Aggregation

%	ADP (μmol/L)		Collagen (μg/mL)		Arachidonic Acid (mmol/L)
%	2.5	5	3.3	10	1
Placebo	36 ± 5	49 ± 3	59 ± 2	60 ± 2	49 ± 4
Aspirin	25 ± 3	42 ± 2	30 ± 2^*	51 ± 2^*	2 ± 1^*
Ticlopidine	13 ± 2^*	23 ± 4^*	54 ± 3	60 ± 2	40 ± 5
Aspirin + ticlopidine	12 ± 1^*	20 ± 2^*	16 ± 3^*	34 ± 2^*	1 ± 1^*

%	ADP (μmol/L)		Collagen (μg/mL)		Arachidonic Acid (mmol/L)
%	2.5	5	3.3	10	1
Placebo	36 ± 5	49 ± 3	59 ± 2	60 ± 2	49 ± 4
Aspirin	25 ± 3	42 ± 2	30 ± 2^*	51 ± 2^*	2 ± 1^*
Ticlopidine	13 ± 2^*	23 ± 4^*	54 ± 3	60 ± 2	40 ± 5
Aspirin + ticlopidine	12 ± 1^*	20 ± 2^*	16 ± 3^*	34 ± 2^*	1 ± 1^*

Results are expressed as % of the maximal amplitude of the platelet aggregation curve.

P < .01 versus placebo.