Table 6.

Number of feline packed red blood cell (pRBC) units with hemolysis >0.8% (overall and by time point, t0–t6).

Storage time group	≤ 0.8% (n = 2,971)	> 0.8% (n = 205)
t0 (n = 2,287)	99.87% (n = 2,284)	0.13% (n = 3)
t1 (n = 52)	98.08% (n = 51)	1.92% (n = 1)
t2 (n = 12)	91.67% (n = 11)	8.33% (n = 1)
t3 (n = 49)	93.88% (n = 46)	6.12% (n = 3)
t4 (n = 577)	81.80% (n = 472)	18.20% (n = 105)
t5 (n = 183)	55.74% (n = 102)	44.26% (n = 81)
t6 (n = 16)	31.25% (n = 5)	68.75% (n = 11)

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; ≤ 0.8%: units not exceeding 0.8% of hemolysis; > 0.8%: units exceeding 0.8% of hemolysis; n: number of units.