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Table 1 Clinical characteristics of patients with AOE

From: Methadone-induced encephalopathy: a case series and literature review

Patient number

Age/ Sex

Initial presentation

Urine toxicology

Time to imaging

1

13 yr, F

Cyanosis

Methadone

Day 5

2

16 yr, F

Apnea

Methadone

Day 7

3

23mo, M

Cyanosis

Methadone, benzodiazepine

Day 5

4

30 yr, M

Intoxication then witnessed apnea

Methadone

Day 2

5

31 yr, M

Confusion then witnessed apnea

Methadone, opiate

Day 12

6

32 yr, F

LOC

Methadone

Day 3

7

33 yr, M

LOC

Methadone, opiate

Day 2

8

5 yr, M

LOC

Methadone

Day 2