Table 2. Platelet product parameters,... | American Society of Hematology

Table 2.

Platelet product parameters, dosage, and transfusion response

	Plasma PC	PAS II PC	P
No. of transfusions	311	373	—
No. of platelets/product, × 10⁹ ± SD	412 ± 93	391 ± 119	.01
Storage time, d ± SD	3.5 ± 1.3	3.5 ± 1.1	n.s.
pH ± SD	7.12 ± 0.04	7.08 ± 0.04	< .001
Product volume, mL ± SD	356 ± 19	316 ± 11	< .001
Precount, × 10⁹/L ± SD	13.3 ± 8.7	13.7 ± 10.5	n.s
Platelet dose per kg body weight,* × 10⁹/L ± SD	5.5 ± 1.7	5.3 ± 2.0	n.s.
Transfusion response†
No. of 1-h transfusions	274	337	—
CI ± SD	32.2 ± 17.1	24.6 ± 14.8	.001
CCI ± SD	13.9 ± 7.0	11.2 ± 6.4	.004
No. of 24-h transfusions	282	334	—
CI ± SD	20.6 ± 16.0	16.3 ± 14.1	.028
CCI ± SD	8.4 ± 6.9	6.8 ± 6.4	.09

	Plasma PC	PAS II PC	P
No. of transfusions	311	373	—
No. of platelets/product, × 10⁹ ± SD	412 ± 93	391 ± 119	.01
Storage time, d ± SD	3.5 ± 1.3	3.5 ± 1.1	n.s.
pH ± SD	7.12 ± 0.04	7.08 ± 0.04	< .001
Product volume, mL ± SD	356 ± 19	316 ± 11	< .001
Precount, × 10⁹/L ± SD	13.3 ± 8.7	13.7 ± 10.5	n.s
Platelet dose per kg body weight,* × 10⁹/L ± SD	5.5 ± 1.7	5.3 ± 2.0	n.s.
Transfusion response†
No. of 1-h transfusions	274	337	—
CI ± SD	32.2 ± 17.1	24.6 ± 14.8	.001
CCI ± SD	13.9 ± 7.0	11.2 ± 6.4	.004
No. of 24-h transfusions	282	334	—
CI ± SD	20.6 ± 16.0	16.3 ± 14.1	.028
CCI ± SD	8.4 ± 6.9	6.8 ± 6.4	.09

n.s. indicates nonsignificant; —, not applicable.

Per transfusion.

General linear mixed model accounting for within-patient correlation of observations (repeated measurements).