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. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Pediatr Rev. 2019 Jan;40(1):3–13. doi: 10.1542/pir.2018-0142

Table 5: Classification of Sleep Apnea Severity in Children Based on the AHI.

AHI, No. of Events Per Hour
Severity Pediatric Adult
Normal ≤1 ≤5
Mild 1 to ≤5 5 to ≤15
Moderate >5 to ≤10 >15 to ≤30
Severe >10 >30

AHI=apnea-hypopnea index.

Adapted with permission from Dehlink E, Tan H-L. Update on paediatric obstructive sleep apnoea. J Thorac Dis. 2016;8(2):224–235.