Fig. 3. Comparative analyses, at 10 weeks, of total kidney volume corrected for body weight, TKV/BW (a)CyCaf n=9, CyCtrl n= 7 and total kidney cystic index (b) CyCaf n=9, CyCtrl n= 7. ***p<0.001. Kidney ultrasonographic images (c) of cystic animals consuming (A) caffeine or (B) water. Cystic caffeine (CyCaf) and control (CyCtrl).