Table 2.

Transfusion characteristics

Patients	Overall	Non-HAI	HAI	P
RBCs
No	6868	6531	337
Amount of transfusion [median (IQR)]	2 (2–4)	2 (2–3)	2 (2–4)	< 0.001
Frequency of transfusion [median (IQR)]	1 (1–2)	1 (1–2)	1 (1–3)	0.013
Cryoprecitation
No	59	56	3
Amount of transfusion [median (IQR)]	1 (1–1)	1 (1–1)	1 (1–1)	0.521
Frequency of transfusion [median (IQR)]	1 (1–1)	1 (1–1)	1 (1–1)	0.547
FFPs
No	1264	1189	75
Amount of transfusion [median (IQR)]	350 (200–600)	350 (200–600)	400 (200–750)	0.315
Frequency of transfusion [median (IQR)]	1 (1–3)	1 (1–3)	1 (1–3)	0.952
Platelets
No	762	697	65
Amount of transfusion [median (IQR)]	1 (1–2)	1 (1–2)	1 (1–3)	0.010
Frequency of transfusion [median (IQR)]	1 (1–2)	1 (1–2)	1 (1–2)	0.060
Time between (first) transfusion and HAI (days)
RBCs			9 (6–15)
Cryoprecitation			8 (4–14)
FFPs			10 (6–16)
Platelets			8 (4–13)