Table 6.

Performance of urinary KIM-1, NAG, and NGAL for diagnosis of AKI at various time points

AKI (n = 36)SensitivitySpecificityPositive Likelihood RatioNegative Likelihood Ratio
Urinary KIM-1 at Post Immediately
    >1.2 ng/mg Ucr51.4377.782.310.62
    >1.8 ng/mg Ucr42.8688.893.860.64
Urinary KIM-1 at 3 h Post-OP
    >1.2 ng/mg Ucr35.7190.203.640.71
    >1.8 ng/mg Ucr32.1496.085.460.72
Urinary NAG at Post Immediately
    >18.5 U/gram Ucr82.8644.441.490.39
    >25.0 U/gram Ucr74.2950.001.490.51
Urinary NAG at 3 h Post-OP
    >18.5 U/gram Ucr53.5770.591.820.66
    >25.0 U/gram Ucr28.5780.391.460.89
Urinary NGAL at Post Immediately
    >456.0 ng/mg Ucr71.4338.891.170.73
    >1900.0 ng/mg Ucr65.7150.001.310.69
Urinary NGAL at 3 h Post-OP
    >456.0 ng/mg Ucr71.4362.751.920.46
    >1900.0 ng/mg Ucr50.0070.591.700.71