Table 4.

Diagnostic performance of MRI

Diagnostic CriterionAffectedUnaffectedSENSPECPPVNPV
16–29 yr3758
 ≥1 renal cysta37111.0000.8100.7711.000
 ≥2 renal cystsa3741.0000.9310.9021.000
 ≥3 renal cystsa3721.0000.9660.9491.000
 ≥5 renal cystsa3711.0000.9830.9741.000
>10 renal cystsa3701.0001.0001.0001.000
 ≥2 cysts in each kidney3711.0000.9830.9741.000
30–40 yr3624
 ≥1 renal cysta3671.0000.7080.8371.000
 ≥2 renal cystsa3651.0000.7920.8781.000
 ≥3 renal cystsa3611.0000.9580.9731.000
 ≥5 renal cystsa3601.0001.0001.0001.000
 >10 renal cystsa3601.0001.0001.0001.000
 ≥2 cysts in each kidney3601.0001.0001.0001.000
  • a Total number of cysts in both kidneys.