Table 1.

Platelet rich plasma light transmission aggregation (%) of 5 group A and 5 group O donors after mixing (ratio of 9:1) with normal saline, group O serum with an anti-A titer of 1:1024, and varied group O serums (anti-A titers ranged from 1:8 – 1:64).

	Group A PLT (n = 5) Mean ± SD (Range)	p value*	Group O PLT (n = 5) Mean ± SD (Range)	p value*
Normal saline	81 ± 1.1 (80 – 83)	-	78 ± 7.1 (70 – 88)	-
O serum (anti-A titer of 1:1024)	73 ± 5.3 (64 – 77)	0.023	78 ± 5.1 (72 – 86)	0.882
O serum (anti-A titer of 1:8 – 1:64)	81 ± 1.1 (79 – 82)	0.299	80 ± 4.1 (77 – 87)	0.569

PLT, platelet.

^*In comparison to the normal saline results of each ABO group.