Table 4.

Screening test characteristics for various cutoff points of UAC in a single first morning void urine to identify individuals who started RRT during follow-upa

UAC (mg/L)Test Characteristics UAC
Sensitivity (%)Specificity (%)PPV (%)NPV (%)LR+LR−
General population
    >1067760.399.92.740.44
    >2058920.899.97.430.46
    >10049994.299.939.510.52
    >20036995.799.954.550.65
CVD history
    >1016991.599.913.50.85
    >2016992.899.926.10.85
    >10011996.799.964.80.89
    >2007997.199.869.80.93
With known hypertension/diabetes
    >1049961.499.912.70.53
    >2044982.699.924.30.57
    >10038998.499.982.90.63
    >200319911.699.9118.70.69
Age >55 yr
    >1047920.699.95.50.58
    >2044961.399.912.10.58
    >10036995.299.946.70.65
    >20027997.199.968.90.74
At least one of above risk factors
    >1058900.799.96.00.47
    >2053961.499.912.80.49
    >10044995.799.954.50.56
    >20033997.699.974.70.67
  • a LR+, likelihood ratio of a positive test; LR−, likelihood ratio of a negative test; NPV, negative predictive value; PPV, positive predictive value.