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) |