Table 5.
Predictive value for normal histology of the various urinary protein measurements
| ROC C statistic | Positive Predictive Value |
Negative Predictive Value |
Sensitivity | Specificity | |
|---|---|---|---|---|---|
| Total Protein <50m/g | 0.568 | 38% | 62% | 20% | 80% |
| Total Protein <200m/g | 0.560 | 41% | 75% | 66% | 24% |
| Albumin Normal | 0.586 | 43% | 68% | 62% | 50% |
| IgG Normal | 0.569 | 42% | 67% | 62% | 47% |
| IgM Normal | 0.560 | 49% | 65% | 30% | 81% |
| α-1-microglobulin Normal | 0.574 | 41% | 64% | 46% | 59% |
| RBP Normal | 0.584 | 44% | 67% | 54% | 58% |
| All Individual Proteins Normal | 0.517 | 55% | 63% | 7% | 96% |
| IgM, RBP, Albumin Normal | 0.534 | 52% | 64% | 15% | 91% |