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Table 3 Death rate and subsequent parathyroidectomy rate per 1,000 person-years over time after parathyroidectomy

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

Days After Index Parathyroidectomy Patients at Risk Patients with Event Person Years at Risk Event Rate Lower CI Upper CI
Death
  1—30 3,008 41 245 167.6 116.3 218.9
  31—90 2,954 37 480 77.1 52.3 102.0
  91—180 2,888 71 699 101.6 78.0 125.3
  181—360 2,787 100 1,324 75.5 60.7 90.3
  361—1094 2,581 251 2,451 102.4 89.7 115.1
Subsequent parathyroidectomy
  1—30 3,008 38 242 156.9 107.0 206.8
  31—90 2,916 NR NR 19.1 6.6 31.5
  91—180 2,843 32 684 46.8 30.6 63.0
  181—360 2,711 36 1,280 28.1 18.9 37.3
  361—1094 2,478 30 2,323 12.9 8.3 17.5
  1. CI confidence interval, NR counts < 11 not reportable according to the data use agreement with the USRDS