Table 3.
Urine NGALds Dipstick Test Predictive Characteristics Using KDIGO-defined AKI (creatinine-onlya) in Malawian Trauma Patients
Urine NGALds Dipstick category | Sensitivity | Specificity | PPV | NPV |
---|---|---|---|---|
25 | 97.2 | 3.6 | 12.7 | 90.0 |
50 | 61.1 | 47.0 | 14.3 | 89.3 |
100 | 58.3 | 61.0 | 17.8 | 91.0 |
150 | 44.4 | 73.5 | 19.5 | 90.2 |
300 | 36.1 | 82.7 | 23.2 | 90.0 |
AKI, acute kidney injury; KDIGO, Kidney Disease: Improving Global Outcomes; NGAL, neutrophil gelatinase-associated lipocalin; NPV, negative predictive value; PPV, positive predictive value.
Using admission urine samples only (n = 285).