PTH and chronic kidney disease: Supporting our findings of an independent, positive association of PTH with CKD but not with 25(OH)D, the results from another recent cross-sectional study in a community population of 4080 adults in Taiwan suggested that either elevated PTH levels or hyperparathyroidism was associated with higher risk of CKD after adjusting for age, sex, 25(OH)D, calcium, and phosphate [27].