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Table 1 Population characteristics for all parathyroidectomy patients by dialysis modality

From: The rate, cost and outcomes of parathyroidectomy in the united states dialysis population from 2016–2018

Variable All (N = 3,008) HD (N = 2,749) PD (N = 259)
Mean (SD) or Count (%) Mean (SD) or Count (%) Mean (SD) or Count (%)
Age at Parathyroidectomy
  Age (years) 51.7 (13.1) 51.8 (13.0) 50.4 (13.9)
  Dialysis Vintage (years) 7.0 (3.9) 7.1 (3.9) 5.3 (3.4)
Sex and Race Categories
  Male (%) 1,487 (49.4%) 1,395 (50.7%) 92 (35.5%)
  White (%) 1,173 (39.0%) 1,048 (38.1%) 125 (48.3%)
  Black (%) 1,687 (56.1%) 1,567 (57.0%) 120 (46.3%)
  Asian (%) 73 (2.4%) NR NR
  Other (%) 75 (2.5%) NR NR
Cause of ESKD
  Hypertension (%) 1,116 (37.1%) 1,007 (36.6%) 109 (42.1%)
  Diabetes (%) 822 (27.3%) 789 (28.7%) 33 (12.7%)
  Glomerulonephritis (%) 525 (17.5%) 467 (17.0%) 58 (22.4%)
  Cystic kidney (%) 172 (5.7%) NR NR
  Other (%) 75 (2.5%) NR NR
Year of Parathyroidectomy
  2016 (%) 1,594 (53.0%) 1,462 (53.2%) 132 (51.0%)
  2017 (%) 1,414 (47.0%) 1,287 (46.8%) 127 (49.0%)
Other Baseline Variables
  Hospitalization in Prior 12 Months (%) 1,431 (47.6%) 1,361 (49.5%) 70 (27.0%)
  Serum Calcium (corrected, mg/dL) 9.4 (0.8) 9.4 (0.8) 9.6 (0.9)
  Serum Phosphate (mg/dL) 6.4 (1.6) 6.4 (1.6) 6.5 (1.7)
  Calcimimetic Use Within 90 Days (%) 1,288 (42.8%) 1,205 (43.8%) 83 (32.0%)
  IV Vitamin D Use Within 90 Days (%) 1,407 (46.8%) NR NR
  Phosphate binder Use Within 90 Days (%) 1,417 (47.1%) 1,312 (47.7%) 105 (40.5%)
Charlson Comorbidity Index
  CCI Index (continuous) 3.6 (3.4) 3.7 (3.4) 1.9 (2.5)
  CCI Score 0 (%) 504 (16.8%) 405 (14.7%) 99 (38.2%)
  CCI Myocardial Infarction (%) 450 (15.0%) 432 (15.7%) 18 (6.9%)
  CCI Congestive Heart Failure (%) 1,279 (42.5%) 1,231 (44.8%) 48 (18.5%)
  CCI Peripheral Vascular Disease (%) 840 (27.9%) 820 (29.8%) 20 (7.7%)
  CCI Cerebrovascular Disease (%) 361 (12.0%) 341 (12.4%) 20 (7.7%)
  1. Selected cardiovascular-related CCI conditions included in table. NR = counts < 11 not reportable according to the data use agreement with the USRDS
  2. CCI Charlson Comorbidity Index, HD hemodialysis, PD peritoneal dialysis, SD standard deviation, IV intravenous