Table 3 Receiver operator characteristic (ROC) analysis of proteinuria in first and second morning spot urine collections
24-h proteinuria (mg/day/1.73m2) | Urine sample | PCR / ePER cutoff point (mg/mmol / mg/day/1.73m2) | Area under the ROC curve (95% CI) | Sensitivity of PCR/ePER % (95% CI) | Specificity of PCR/ePER % (95% CI) |
|---|---|---|---|---|---|
> 150 | first morning | 27 / 235 | 0.89 (0.82 to 0.96) | 83 (74 to 89) | 86 (77 to 92) |
second morning | 26 / 225 | 0.92 (0.86 to 0.98) | 83 (74 to 89) | 86 (77 to 92) | |
> 300 | first morning | 39 / 345 | 0.92 (0.88 to 0.96) | 84 (75 to 90) | 86 (77 to 92) |
second morning | 38 / 335 | 0.96 (0.93 to 0.99) | 88 (80 to 93) | 89 (81 to 94) | |
> 1000 | first morning | 107 / 940 | 0.98 (0.97 to 0.99) | 93 (83 to 98) | 96 (89 to 99) |
second morning | 105 / 925 | 0.98 (0.97 to 0.99) | 89 (81 to 94) | 96 (89 to 99) |