Massive Transfusion Protocol Activation Does Not Result in Preferential Use of Older Red Blood Cells

Table 1

Difference in number of transfused units of older ages between cohorts.

	ER	nER	value	MTP	nMTP	value
Total # of pts	131	176		51	80
# (%) of pts who received ≥1 unit ≥28 days old	82 (62.6%)	120 (68.2%)	0.31	37 (72.5%)	45 (56.2%)	0.06
# (%) of pts who received ≥5 units ≥28 days old	32 (24.4%)	50 (28.4%)	0.44	18 (35.3%)	14 (17.5%)	0.02
# (%) of pts who received ≥1 unit ≥35 days old	54 (41.2%)	79 (44.9%)	0.52	24 (47.0%)	30 (37.5%)	0.28
# (%) of pts who received ≥5 units ≥35 days old	14 (10.7%)	25 (14.2%)	0.36	4 (13.7%)	7 (8.8%)	0.37