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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.