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Table 1 Characteristics of study cohorts of chronic kidney disease decedents dying in hospitals in Taiwan, 2002–2012

From: Costs of care at the end of life among elderly patients with chronic kidney disease: patterns and predictors in a nationwide cohort study

Characteristics Population-based primary cohort (2002–2012) Randomly sampled secondary cohort (2005–2012)
(n = 65,124) (n = 2072)
 Age at death, NO. (%)
  60–70 13,136 (20.2%) 374 (18.1%)
  70–80 24,086 (37.0%) 749 (36.2%)
  80+ 27,902 (42.8%) 949 (45.8%)
 Age at death, mean (SD) 77.5 (8.7) 78.1 (8.6)
 Insurable earnings, mean (SD) 7498.8 (10,649.3) 7448.9 (10,608.1)
 ESRD, NO. (%) 27,911 (42.9%) 913 (44.1%)
 Charlson Comorbidity Index, mean (SD) 3.7 (1.8) 3.7 (1.8)
 Specialty of Primary Physician (%)
  Surgeon 8428 (12.9%) 275 (13.3%)
  Nephrologist 15,559 (23.9%) 431 (20.8%)
  Family Medicine 2642 (4.1%) 80 (3.9%)
  Others 38,495 (59.1%) 1286 (62.1%)
 Primary Hospital- Accreditation, NO. (%)
  Medical Centers 21,856 (33.6%) 706 (34.1%)
  Regional Hospitals 28,341 (43.5%) 900 (43.4%)
  Local Hospitals 14,927 (22.9%) 466 (22.5%)
 Primary Hospital- Ownership, NO. (%)
  Public 21,850 (33.6%) 745 (36.0%)
  Private 43,274 (66.5%) 1327 (64.0%)
 Region, NO. (%)
  Taipei (Capital) 18,746 (28.8%) 645 (31.1%)
  Northern 9911 (15.2%) 307 (14.8%)
  Central 12,668 (19.5%) 392 (18.9%)
  Southern 10,401 (16.0%) 318 (15.4%)
  Kao-Ping 11,058 (17.0%) 331 (16.0%)
  Eastern 2340 (3.6%) 79 (3.8%)
 Year of death, NO. (%)
  2002 4989 (7.7%) -
  2003 7164 (11.0%) -
  2004 6917 (10.6%) -
  2005 6236 (9.6%) 263 (12.7%)
  2006 6156 (9.5%) 264 (12.7%)
  2007 5934 (9.1%) 276 (13.3%)
  2008 5747 (8.8%) 290 (14.0%)
  2009 5295 (8.1%) 242 (11.7%)
  2010 5544 (8.5%) 239 (11.5%)
  2011 5289 (8.1%) 243 (11.7%)
  2012 5853 (9.0%) 255 (12.3%)