PTH and chronic kidney disease: This is supported by previous literature that also found significant associations between pruritus and elevated PTH and phosphate.5,34,37,43 However, other studies have also noted no associations between such variables.41,44,45 While ALP was correlated with moderate-to-severe CKD-aP in our study, previous literature has not reported this association.46,47 Finally, being a current smoker was associated with moderate-to-severe CKD-aP.