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Table 4 Cut-off levels for urine NGAL in predicting renal response after induction therapy

From: Urine neutrophil gelatinase-associated lipocalin to predict renal response after induction therapy in active lupus nephritis

Cut off:
Urine NGAL (ng/mL)
Sensitivity Specificity PPV NPV Accuracy
18.01 81.8% 50.9% 24.3% 93.5% 55.9%
18.45 72.7% 50.9% 22.2% 90.6% 54.4%
18.79 72.7% 52.6% 22.9% 90.9% 55.9%
19.91 72.7% 54.4% 23.5% 91.2% 57.4%
21.40 72.7% 56.1% 24.2% 91.4% 58.8%
22.18 72.7% 57.9% 25.0% 91.7% 60.3%
22.51 72.7% 59.6% 25.8% 91.9% 61.8%
23.01 72.7% 61.4% 26.7% 92.1% 63.2%
23.45 72.7% 63.2% 27.6% 92.3% 64.7%
24.98 72.7% 64.9% 28.6% 92.5% 66.2%
27.24 72.7% 66.7% 29.6% 92.7% 67.6%
28.08 72.7% 68.4% 30.8% 92.9% 69.1%
28.32 63.6% 68.4% 28.0% 90.7% 67.6%
30.16 63.6% 71.9% 30.4% 91.1% 70.6%
34.12 63.6% 73.7% 31.8% 91.3% 72.1%
36.79 54.5% 73.7% 28.6% 89.4% 70.6%
38.92 54.5% 77.2% 31.6% 89.8% 73.5%
41.91 54.5% 78.9% 33.3% 90.0% 75.0%
44.24 54.5% 80.7% 35.3% 90.2% 76.5%
54.21 54.5% 82.5% 37.5% 90.4% 77.9%
63.73 54.5% 86.0% 42.9% 90.7% 80.9%
64.90 54.5% 87.7% 46.2% 90.9% 82.4%
65.45 54.5% 89.5% 50.0% 91.1% 83.8%
66.64 45.5% 89.5% 45.5% 89.5% 82.4%
70.72 45.5% 91.2% 50.0% 89.7% 83.8%
82.96 45.5% 93.0% 55.6% 89.8% 85.3%