Correlation study of the direct nursing hours with the severity of illness and therapeutic intervention in ICU

Objective To analyze the correlations between direct nursing hours with the the severity of illness and therapeutic intervention in ICU.Method Fifty-three patients whose score of APACHE Ⅱ was over 9 points were recruited by convenient sampling method.The score of APACHE II,Therapeutic Intervention Scoring System TISS-28 and direct nursing hours were recorded and measured.Results There were significant differences in the direct nursing hours among patients with different disease severity,as well as the index of TISS-28.The correlation coefficient was 0.497 between direct nursing hours with APACHE II and 0.690 with TISS-28.Conclusions The direct nursing hours are correlated with the severity of illness and therapeutic intervention.It is suggested to predict nursing workload and nurse staffing based on the evaluation of TISS-28.