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Tests of validity of spot urinary ACR (at 300 mg/g) in the prediction of significant proteinuria (= 300 mg/day)
| Spot urinary ACR (mg/gm) | 24-Hour urinary protein (mg/day) | Total | |
|---|---|---|---|
| ≥ 300 | < 300 | ||
| ≥ 300 | 57 | 2 | 59 |
| < 300 | 3 | 8 | 11 |
| Total | 60 | 10 | 70 |
| Sensitivity | 95% | ||
| Specificity | 80% | ||
| PPV | 96.6% | ||
| NPV | 72.7% | ||
