Table 2.

Platelet exposure and outcomes

Variables	All patients N = 18,965	Patients with PLT transfusion N = 2250	Patients without PLT transfusion N = 16,715	P value*
Infections, n (%)  Any (blood or urine culture)  Blood culture  Urine culture	411 (2.2) 178 (0.9) 262 (1.4)	173 (7.7) 99 (4.4) 89 (4)	238 (1.4) 79 (0.5) 173 (1)	<0.01 < 0.01 < 0.01
Time to infection, days median (IQR)  Any (blood or urine)  Blood culture  Urine culture	7.1 (4.2–12) 7.9 (4.5–12) 6.8 (4.1–11.7)	8.9 (5.1–15.0) 8.4 (5–14) 9.1 (5.2–17)	6.4 (3.9–10) 6.6 (4.3–12) 6.3 (3.8–10.1)	<0.01 < 0.01 0.25

PLT platelets, IQR interquartile range. * P values comparing PLT transfusion group to the no-PLT transfusion group