Intake parameters analyzed in each cluster included number of meals, starting time, meal duration, meal weight, rate of eating, hunger ratio, and satiety ratio.
采食行为参数主要包括：采食开始时间、采食餐数、每餐持续时间、每餐采食量、采食速率、饥饿率、饱食率。
The patients with worse nutritional status were given longer duration of nutrition support and higher energy intake.
术前营养状态越差的患者，营养支持使用时间越长，摄入能量越高。
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