The invention relates to the technical field of sleep
respiratory disease analysis, and discloses a method for analyzing
obstructive sleep apnea. The method comprises the following steps: acquiring an original physiological
signal flow which is output by a multi-channel
sleep monitoring device and comprises a respiratory waveform, blood
oxygen fluctuation, an electrocardio
rhythm and a sound vibration
signal; and then, carrying out adaptive
window function segmentation and multi-resolution conversion on the original
signal flow to generate a standardized multi-
modal signal sequence. State decoding is carried out on the sequence through a
hidden Markov model, and
steady state physiological mode features and transient abnormal mode features are extracted. And fusing the
steady state features and clinical archive data of the patient, calculating an
apnea risk index, and forming an initial evaluation report. Meanwhile, a dynamic evolution path of transient abnormal mode characteristics is monitored, and a real-time
pathology indicator in the signal is detected. And finally, a risk
weight coefficient in the initial evaluation report is adjusted according to the real-time
pathology indicator, and a more accurate optimization evaluation report is generated.