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Table 3 Description of ischemic strokes

From: The use of national administrative data to describe the spatial distribution of in-hospital mortality following stroke in France, 2008–2011

Ischemic strokes 2008 2009 2010 2011 Total χ2 Somers’d
n % n % n % n % n % p p
All patients 75,247   76,780   79,167   78,181   309,375    
Age
 All patients
  ≤35 1271 1.7 1371 1.8 1417 1.8 1289 1.7 5348 1.7 0.0235 NS
  36–55 7371 9.8 7449 9.7 7991 10.1 7771 9.9 30,582 9.9
  >55 66,605 88.5 67,960 88.5 69,759 88.1 69,121 88.4 273,445 88.4
 Male
  ≤35 557 1.5 603 1.6 656 1.7 576 1.5 2392 1.6 0.0347 0.0462
  36–55 4634 12.4 4622 12.3 4992 12.8 4939 12.8 19,187 12.6
  >55 32,063 86.1 32,502 86.2 33,388 85.5 33,149 85.7 131,102 85.9
 Female
  ≤35 714 1.9 768 2.0 761 1.9 713 1.8 2956 1.9 NS NS
  36–55 2737 7.2 2827 7.2 2999 7.5 2832 7.2 11,395 7.3
  >55 34,542 90.9 35,458 90.8 36,371 90.6 35,972 91.0 142,343 90.8
Sex
 Male 37,254 49.5 37,727 49.1 39,036 49.3 38,664 49.4 152,681 49.4 NS NS
 Female 37,993 50.5 39,053 50.9 40,131 50.7 39,517 50.6 156,694 50.6
In-hospital death (in 30 days)
 All patients 9025 12.0 8867 11.6 9231 11.7 8811 11.3 35,934 11.6 0.0002 <10−3
  % age-sexe-adjusted 12.0   11.5   11.7   11.3     
 Male 3939 10.6 3919 10.4 3897 10.0 3785 9.8 15,540 10.2 0.0010 <10−3
  % age-adjusted   10.6   10.4   10.0   9.8     
  ≤35 14 2.5 19 3.2 15 2.3 5 0.9 53 2.2 0.0574 0.0088
  36–55 168 3.6 154 3.3 155 3.1 151 3.1 628 3.3 NS 0.0493
  >55 3757 11.7 3746 11.5 3727 11.2 3629 11.0 14,859 11.3 0.0082 0.0003
 Female 5086 13.4 4948 12.7 5334 13.3 5026 12.7 20,394 13.0 0.0023 0.0380
  % age-adjusted   13.4   12.7   13.3   12.7     
  ≤35 15 2.1 5 0.7 12 1.6 7 1.0 39 1.3 NS NS
  36–55 84 3.1 83 2.9 91 3.0 76 2.7 334 2.9 NS NS
  >55 4987 14.4 4860 13.7 5231 14.4 4943 13.7 20,021 14.1 0.0031 0.0466