Predictive value of extravascular lung water indexed to predicted body weight

Table 2 Area under receiver operating characteristic curve of variables to predict in-hospital survival rate of medical intensive care unit patients with severe sepsis

Variable (s)	Area under curve	P value	95%CI
EVLWIp	0.849	0.001	0.72-0.98
EVLWIa	0.829	0.001	0.68-0.98
APACHE II score	0.721	0.03	0.54-0.90
LIS	0.706	0.04	0.52-0.89
CXR score	0.708	0.04	0.53-0.89

P value compared by receiver operating characteristic curve method to analyze the significance. EVLWIp: Extravascular lung water indexed to predicted body weight; EVLWIa: Extravascular lung water indexed to actual body weight; APACHE: Acute Physiology and Chronic Health Evaluation; LIS: Lung injury score; CXR: Chest X-ray.