Een after age, sex, ethnicity, respiratory disturbance index, and mean sleep oxygen saturation were controlled for, the relationship of the ESS score with both compromised stroke index and cardiac output persisted and was significant, he added.

• 他还补充到“即使在控制了年龄，性别，种族，呼吸障碍指数，还有平均血氧饱和度，ESS评分和较差的每搏输出量还有心排出量都是相关的而且有显著性。”