AQP5 and chronic kidney disease: Furthermore, we found no evidence of statistically significant associations between the AQP5 −1364A/C genotypes and age (p = 0.890), sex (p = 0.908), etiology of end-stage renal disease (p = 0.675), rate of pre-transplantation renal replacement therapy (p = 0.922), delayed graft function (p = 0.454), and CMV serology at transplantation (p = 0.973).