Research Article

The Rise of IGFBP4 in People with Obstructive Sleep Apnea and Multilevel Sleep Surgery Recovers Its Basal Levels

Figure 2

A significant improvement in AHI and IGFBP4 after 3 months of surgical intervention. (a) A significant decline in AHI index ( events/h, ) after 3 months of surgery, reflecting a substantial improvement in OSA. (b) IGFBP4 showed a significant reduction ( ng/ml, ) after 3 months of surgery.
(a)
(b)