Abstract: Objective To investigate the current situation of decision-making style and disaster rescue ability of nurses in emergency and critical care departments of five hospitals in Nantong City,and explore the correlation between decision-making style and disaster rescue ability. Methods From April to December 2022,a convenience sampling method was used to conduct a questionnaire survey on 242 emergency and critical care nurses from 5 hospitals in Nantong City,using general information questionnaires,decision-making style scale and disaster rescue core competency questionnaire. Using multiple linear regression analysis to analyze the influencing factors of disaster rescue ability of nurses in emergency and critical care departments. Results The decision-making style score of nurses in the emergency and critical care department was （67.97±10.82）points,and the total score of disaster rescue ability was （128.34±30.91）points. The results of univariate analysis showed that there were statistically significant difference in the disaster rescue ability scores of nurses in the emergency and critical care departments with different years of service,professional titles,whether they were specialized nurses in emergency and critical care,whether they participated in disaster relief training and different disaster rescue experiences（all P<0.05）. Pearson correlation analysis showed that rational styles and intuitive impulsive decision-making styles were positively correlated with the disaster rescue ability of nurses in emergency and critical care departments（r=0.365,0.197,both P<0.05）,while avoidance decision-making styles were negatively correlated with the disaster rescue ability of nurses in emergency and critical care departments（r=-0.256,P<0.05）.However,there was no statistically significant correlation between dependent decision-making styles and the disaster rescue ability of nurses in emergency and critical care departments（P>0.05）. The results of multiple linear regression analysis showed that years of work in emergency and critical care,participation in disaster training,experience in disaster rescue and rational decision-making style were all positive factors affecting the disaster rescue ability of nurses in emergency and critical care departments（all P<0.05）,while avoidance decision-making style was a negative predictive factor of disaster rescue ability（P<0.05）. Conclusion Emergency and critical care nurses mainly adopt a rational decision-making style. Medical institutions and nursing managers should actively organize disaster rescue training,encourage nurses to participate in disaster relief practices,and identify the decision-making style of emergency and critical care nurses to maintain and improve the disaster rescue ability of the emergency and critical care nurse team.

Key words: Decision-making style, Disaster rescue, Nurses in emergency and critical care departments, Rational style, Avoidance style