HK1 and hydrops fetalis: We also compared the medianurinary hK1 amidase activities for HF [0.104 μM/(min · mg creatinine)]and hypertensive patients [0.210 μM/(min · mg creatinine)] in ourprevious studies6,3 with the value reported herein for non-CAD patients[0.189 μM/(min · mg creatinine)].