| Threshold | Sensitivity | Specificity | Accuracy | Positive Predictive Value | Negative Predictive Value |
---|---|---|---|---|---|---|
GRADE 1 (mild) | Â | Â | Â | Â | Â | Â |
   Peak Filling Rate | 344 ml/sec†| 5% (1/21) | 83% (33/40) | 56% (34/61) | 13% (1/8) | 62% (33/53) |
   Normalized Peak Filling Rate | 4.02/sec†| 0% (0/21) | 83% (33/40) | 54% (33/61) | 0% (0/7) | 61% (33/54) |
GRADE 2 (moderate) | Â | Â | Â | Â | Â | Â |
   Peak Filling Rate | 344 ml/sec | 7% (3/45) | 83% (33/40) | 42% (36/85) | 30% (3/10) | 44% (33/75) |
   Normalized Peak Filling Rate | 4.02/sec | 9% (4/45) | 83% (33/40) | 44% (37/85) | 36% (4/11) | 45% (33/74) |
GRADE 3 (severe) | Â | Â | Â | Â | Â | Â |
   Peak Filling Rate | 344 ml/sec | 56% (5/9) | 83% (33/40) | 78% (38/49) | 42% (5/12) | 89% (33/37) |
   Normalized Peak Filling Rate | 4.02/sec | 67% (6/9) | 83% (33/40) | 80% (39/49) | 46% (6/13) | 91% (33/36) |