Skip to main content

Table 1 Cohort characteristics by gender, age, triage, symptoms, use of CPSS

From: The use of Cincinnati prehospital stroke scale during telephone dispatch interview increases the accuracy in identifying stroke and transient ischemic attack symptoms

   Stroke/TIA identification at dispatch
  Total True positive False negative False positive
Gender N N % N % N %
  Female 11122 3419 54.6 1848 52.4 5855 48.9
  Male 8815 2674 42.7 1547 43.8 4594 38.4
  M.I. 1823 169 2.7 134 3.8 1520 12.7
Age        
  <=45 2272 411 6.6 99 2.8 1762 14.7
  46-55 1225 256 4.1 172 4.9 797 6.7
  56-65 1730 529 8.4 286 8.1 915 7.6
  66-75 3247 1021 16.3 672 19.0 1554 13.0
  76-85 7187 2357 37.6 1384 39.2 3446 28.8
  +85 5094 1665 26.6 904 25.6 2525 21.1
  M.I. 1005 23 0.4 12 0.3 970 8.1
Triage        
  Red 3304 783 12.5 540 15.3 1981 16.6
  Yellow 14010 3736 59.7 1564 44.3 8710 72.8
  Green 1252 265 4.2 135 3.8 852 7.1
  White 32 2 0.0 1 0.0 29 0.2
  Not assigned 3162 1476 23.6 1289 36.5 397 3.3
Symptoms collected at dispatch        
  Unconscious 2301 739 11.8 452 12.8 1110 9.3
  Confusional state 3071 1410 22.5 662 18.8 999 8.3
  Not breathing 685 255 4.1 243 6.9 187 1.6
  Breathing/conscious 15703 3858 61.6 2172 61.5 9673 80.8
Use of CPSS at dispatch        
  CPSS-yes 4976 3038 48.5 449 12.7 1489 12.4
  CPSS-no 16784 3224 51.5 3080 87.3 10480 87.6
Total 21760 6262   3529   11969  
  1. CPSS - Cincinnati Prehospital Stroke Scale.