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. 2021 Jan 6;156(4):334–342. doi: 10.1001/jamasurg.2020.6175

Figure 1. Cohort Enrollment Criteria.

Figure 1.

CKD indicates chronic kidney disease; ICD-9/10, International Classification of Diseases, Ninth Revision/International Statistical Classification of Diseases and Related Health Problems, Tenth Revision; PHPT, primary hyperparathyroidism.

aThe sum of subcategory totals exceeds the number of total exclusions because some patients met multiple exclusion criteria.

bPatients were excluded if age, sex, race/ethnicity, Area Deprivation Index, or urban or rural inhabitance were unknown.