Evidence-based control of stress response on intraoperative physiological indexes and recovery of patients undergoing gastrointestinal surgery

Figure 1 Literature screening flow chart.

Figure 2 Older adult patients’ gastrointestinal surgery stress response nursing semantic association network diagram. This figure is a semantic association network diagram constructed by ROSTCM6 software to extract high-frequency words from research literature related to stress response nursing in elderly patients undergoing gastrointestinal surgery, based on word frequency and semantic association relationships. The black squares represent the conceptual nodes in the semantic association network. The line indicates the existence of semantic associations and interactive relationships between nodes. The absence of arrows indicates that the semantic association between nodes is a bidirectional relationship. The arrow indicates directional semantic associations between nodes, with the direction pointed by the arrow indicating the posterior node. The closer a square is to the center of the image, the higher the weight of the node, which has attracted more attention from relevant research literature. Nodes located at the center of the image are key nodes in the network.

Figure 3 Subgroup analysis of postoperative complications in the two nursing treatment groups. OR: Odds ratio; CI: Confidence interval; BMI: Body mass index.