Table 5.

Number of feline packed red blood cell (pRBC) units with hemolysis >1% (overall and by time point, t0–t6).

Storage time group	≤ 1% (n = 3,050)	> 1% (n = 126)
t0 (n = 2,287)	99.96% (n = 2,286)	0.04% (n = 1)
t1 (n = 52)	100.00% (n = 52)	0.00% (n = 0)
t2 (n = 12)	91.67% (n = 11)	8.33% (n = 1)
t3 (n = 49)	97.96% (n = 48)	2.04% (n = 1)
t4 (n = 577)	88.91% (n = 513)	11.09% (n = 64)
t5 (n = 183)	72.13% (n = 132)	27.87% (n = 51)
t6 (n = 16)	50.00% (n = 8)	50.00% (n = 8)

t0: units tested within 72 h after processing; t1: units tested after 4–7 days of storage; t2: units tested after 8–14 days of storage; t3: units tested after 15–21 days of storage; t4: units tested after 22–28 days of storage; t5: units tested after 29–35 days of storage; t6: units tested after 36–42 days of storage; ≤ 1%: units not exceeding 1% of hemolysis; > 1%: units exceeding 1% of hemolysis; n: number of units.