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