Table 2.

POSTA eligibility and exclusion criteria

Inclusion Criteria:
1. Children aged 3–5 years at the time of primary assessment for evaluation of snoring
2. Deemed suitable for adenotonsillectomy on surgical evaluation
3. Confirmed on PSG to have mild-moderate OSA, defined as OAHI < 10 events/h
Exclusion Criteria:
1. Medical conditions known to affect neurocognitive development (including hearing loss >35DB)
2. Previous tonsillectomy or airway surgery
3. High risk genetic and craniofacial syndromes
4. Previously identified neurodevelopmental conditions
5. Cyanotic heart disease or previous cardiopulmonary bypass
6. Conditions that preclude neurocognitive testing or that preclude adenotonsillectomy
7. Confirmed on PSG to have severe OSA, define as OAHI >10/h

PSG polysomnography, OAHI obstructive apnoea hyponoea index