Fig. 5From: Craniofacial growth and function in achondroplasia: a multimodal 3D study on 15 patientsAHI and OAHI before and after upper airway surgery, per age groups. Values obtained from patients who required non-invasive CPAP ventilation at the time of the sleep study are labeled (a unique symbol is used for each patient). AHI: apnea hypopnea index, OAHI: obstructive apnea hypopnea indexBack to article page