2.2. Study population
salivary pancreatitis, thirst
SJOGREN SYNDROME, ORAL INFECTION
We selected the children who were hospitalized in the ICU of our hospital from June 1, 2021 to August 31, 2022 and needed to fast as the study population. The inclusion criteria of children in this study were as following: children who needed to fast for treatment according to the doctor advice; children aged 8 to 14 years; children who were conscious with Ramsay sedation scores score ranging from −1 to +1; the length of ICU stay was more than 24 hours; and the children and guardians were well informed and agreed to participate in this study. The exclusion criteria of children in this study were as following: children with obvious oral infection associated with salivary pancreatitis, chemotherapy, or Sjogren syndrome, which might significantly influence the thirst feelings of children; those who have consciousness barriers and were unwilling to communicate; children whom were unwilling to participate in this study.