Table 3.

Case versus matched control analysis

Cyst countCases ControlsP Value
Case-control cohortn=11n=22
 Cyst count ≥470<0.001
 Cysts plus TSTC combined count ≥4840.0055
 Bilateral cystsa720.0021
Subset of age over 50n=8n=16
 Cyst count ≥470<0.001
 Cysts plus TSTC combined count ≥4740.0087
 Bilateral cystsa727.5×10−4
  • a Bilateral cysts: at least one cyst in each kidney.