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Table 5 Strength of the association

From: Association between the reported intensity of an acute symptom at first prehospital assessment and the subsequent outcome: a study on patients with acute chest pain and presumed acute coronary syndrome

  OR (95% CI)a p
Before arrival in hospital
 Hypotension requiring treatment
  unadjusted 1.31 (1.02,1.69) 0.04
  adjustedb 1.22 (0.92,1.62) 0.16
 AV-block/bradyarrhythmias requiring treatment
  unadjusted 2.23 (1.44,3.45) 0.0003
  adjustedb 2.52 (1.39,4.57) 0.16
After arrival in hospital
 Heart failure requiring treatment
  unadjusted 1.11 (1.01,1.23) 0.03
  adjustedb 1.26 (1.12,1.43) 0.0002
 Anxiety requiring treatment
  unadjusted 1.14 (1.04,1.26) 0.008
  adjustedb 1.18 (1.05,1.33) 0.005
 Pain requiring treatment
  unadjusted 1.14 (1.07,1.22) < 0.0001
  adjustedb 1.17 (1.08,1.26) < 0.0001
 Final diagnosis of AMI
  unadjusted 1.14 (1.06,1.23) 0.0003
  adjustedb 1.13 (1.04,1.23) 0.003
 Final diagnosis of AMI or angina pectoris
  unadjusted 1.09 (1.02,1.17) 0.009
  adjustedb 1.11 (1.03,1.20) 0.007
 Length of hospitalisation
  unadjusted r = 0.11 < 0.0001
  adjustedb r = 0.14 < 0.0001
  1. aodds ratio per unit in the VAS scale with corresponding 95% confidence interval, except for length of hospitalization, where Spearman’s rank correlation between VAS value and number of days are given
  2. badjusted for age, a history of smoking and a history of heart failure