From: Comparison of neonatal red cell transfusion reporting in neonatal intensive care units with blood product issue data: a validation study
Blood Watch
NICUS Data Collection
0 units
1–2 units
3–4 units
5–9 units
10 plus units
None
3240
56
10
3
0
40
306
17
8
115
16
1
5
68
2
7
18
Weighted Kappa (95% CI)
0.90 (0.88, 0.92)
<.0001