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Table 2 Sensitivity and Specificity of transfusion reporting in Neonatal Intensive Care Units’ (NICUS) Data Collection compared with Blood Watch (hospital blood bank) data collection for infants in the NICUS Data Collection

From: Comparison of neonatal red cell transfusion reporting in neonatal intensive care units with blood product issue data: a validation study

 

Blood Watch data

NICUS rate

Sensitivity

Specificity

Positive Predictive Value

Negative Predictive Value

Total

 

637/ 3934 (16.2)

625/ 3934 (15.9)

89.2 (86.5, 91.5)

98.3 (97.8, 98.7)

90.9 (88.3, 93.0)

97.9 (97.4, 98.4)

Year

2007

154/ 905 (17.0)

149/ 905 (16.5)

92.9 (87.6, 96.4)

99.2 (98.3, 99.7)

96.0 (91.4, 98.5)

98.5 (97.4, 99.3)

 

2008

172/ 980 (17.6)

172/ 980 (17.6)

89.5 (84.0, 93.7)

97.8 (96.5, 98.7)

89.5 (84.0, 93.7)

97.8 (96.5, 98.7)

 

2009

157/ 992 (15.8)

147/ 992 (14.8)

87.3 (81.0, 92.0)

98.8 (97.8, 99.4)

93.2 (87.8, 96.7)

97.6 (96.4, 98.5)

 

2010

154/ 1057 (14.6)

157/ 1057 (14.9)

87.0 (80.7, 91.9)

97.5 (96.2, 98.4)

85.4 (78.8, 90.5)

97.8 (96.6, 98.6)