OSA and CSA produced different patterns of heart rate variability, with OSA showing increased absolute high frequency power and reduced very low frequency percentage compared with CSA.

• OSA和CSA产生不同类型的心率变异性，OSA表现为增加高频带(HF)的能力以及降低极低频带(VLF)的比例分数，而CSA则与此相反。