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Table 1 Characteristics of patients included in analysis & general characteristics Dutch hospitals & Dutch population

From: Mortality in Dutch hospitals: Trends in time, place and cause of death after admission for myocardial infarction and stroke. An observational study

Admission characteristics*
period 1996–2003
diagnosis Myocardial infarction Stroke
agegroup [35–74] [75+] [35–74] [75+]
Number of hospital admissions within LMR (before linking) 151,104 60,853 104,222 85,098
Number of hospital admissions within linked LMR 134,272 56,737 91,769 75,656
link yield (%) 88.9 93.2 88.1 88.9
Index cases selected before application mortality restriction 111,204 49,653 75,424 67,118
Index cases selected after application mortality restriction (death within a year of admission) 13,662 19,328 16,089 31,304
Characteristics index-cases     
   Mean age 60.4 81.0 63.1 81.7
   Proportion male (%) 74.5 49.9 60.7 41.8
   Length of stay (days) 8.3 9.6 14.8 21.6
Decrease length of stay 1996–2003 (%) -10.2 -7.2 -29.6 -30.4
General characteristics Dutch hospitals
  year
  1996 2003   
Number of hospitals (general, academic, categorical) 148 129   
Number of beds (clinical & day care) 58,135 52,292   
Number of clinical admissions (thousands) 1,589 1,602   
Number of clinical hospital days (thousands) 15,531 12,757   
Number of day care admissions (thousands)§ 705 1,221   
Workforce (full time equivalents, thousands) 139 175   
General characteristics Dutch population
  year
  1996 2003   
average population size ages 35–74 7.1 7.9   
average population size ages 75+ 0.9 1.0   
persons treated in a hospital for cva (ICD9 430–434, 436–438] per 10,000 population 15.1 15.4   
persons treated in a hospital for coronary heart disease [ICD9 410–414] per 10,000 population 45.4 39.8   
  1. * source: this study
  2. source: CBS [21]
  3. standardized on Dutch population 1–1–2000.
  4. § source: LMR. Prismant Utrecht