Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) AHI, (B) AI, and (C) ODI in obstructive sleep apnea across different degrees of severity according to the AHI: mild (AHI < 15), moderate (15 < AHI < 30), and severe (AHI > 30); #, P < 0.001. (D) Correlations between AHI and the other polysomnography indexes, AI, and ODI. Values are Pearson r and 95% CI. AHI = apnea–hypopnea index, AI = arousal index, CI = confidence interval, ODI = oxygen desaturation index.
