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Table 2 Adverse events by final diagnosis*

From: Supplemental oxygen delivery to suspected stroke patients in pre hospital and emergency department settings

  No suppl. oxygen (n=49) Low-flow oxygen (n=59) High flow oxygen (n=18) P value
Any AE Present 6 (12%) 13 (22%) 8 (44%) 0.02
1 AE 2 (4%) 7 (12%) 7 (39%)  
2 AEs 3 (6%) 3 (5%) 1 (6%) 0.01
3 AEs 1 (2%) 3 (5%) 0 (0%)  
Final Diagnosis     
 AIS/TIA (N=53) N=18 N=33 N=2  
  Any AE present 4 (22%) 11 (33%) 0 (0%) 0.47
  Mortality 1 (6%) 4 (12%) 0 (0%) 0.67
  Seizures 2 (11%) 3 (9%) 0 (0%) 0.87
  New neurological deficit 3 (17%) 6 (18%) 0 (0%) 0.80
  New ischemic lesion 1 (6%) 1 (3%) 0 (0%) 0.87
  Post-ischemic hemorrhage 2 (11%) 6 (18%) 0 (0%) 0.66
 ICH/HIE/Seizures (N=28) N=6 N=8 N=14  
  Any AE present 1 (17%) 1 (13%) 8 (57%) 0.06
  Mortality 1 (17%) 0 (0%) 4 (29%) 0.24
  Seizures 0 (0%) 1 (13%) 1 (7%) 0.67
  New neurological deficit 0 (0%) 0 (0%) 2 (14%) 0.34
  New ischemic lesion 0 (0%) 0 (0%) 1 (7%) 0.60
 Other (N=45) N=25 N=18 N=2  
  Any AE present 1 (4%) 1 (6%) 0 (0%) 0.9
  Mortality 0 (0%) 1 (6%) 0 (0%) 0.5
  New neurological deficit 1 (4%) 0 (0%) 0 (0%) 0.7
  1. *Patients with missing data were excluded. Abbreviations: AE adverse event, AIS acute ischemic stroke, TIA transient ischemic attack, ICH hemorrhagic stroke, HIE hypoxic-ischemic encephalopathy, GCS Glasgow Coma Scale.