Table 5 Sensitivity and Specificity of transfusion reporting in hospital data compared with Blood Watch (hospital blood bank) data for infants in the Neonatal Intensive Care Units (NICUS) database
Blood Watch Data | Hospital data | Sensitivity | Specificity | Positive predictive value | Negative predictive value | ||
|---|---|---|---|---|---|---|---|
Total | 637/ 3934 (16.2) | 562/ 3934 (14.3) | 83.7 (80.6, 86.5) | 99.1 (98.7, 99.4) | 94.8 (92.7, 96.5) | 96.9 (96.3, 97.5) | |
Year | 2007 | 154/ 905 (17.0) | 134/ 905 (14.8) | 84.4 (77.7, 89.8) | 99.5 (98.6, 99.9) | 97.0 (92.5, 99.2) | 96.9 (95.4, 98.0) |
2008 | 172/ 980 (17.6) | 146/ 980 (14.9) | 82.0 (75.4, 87.4) | 99.4 (98.6, 99.8) | 96.6 (92.2, 98.9) | 96.3 (94.8, 97.5) | |
2009 | 157/ 992 (15.8) | 134/ 992 (13.5) | 81.5 (74.6, 87.3) | 99.3 (98.4, 99.7) | 95.5 (90.5, 98.3) | 96.6 (95.2, 97.7) | |
2010 | 154/ 1057 (14.6) | 148/ 1057 (14.0) | 87.0 (80.7, 91.9) | 98.4 (97.4, 99.1) | 90.5 (84.6, 94.7) | 97.8 (96.6, 98.7) | |