Table 5. Area under the receiver operating characteristics curve (AUC), 95% confidence interval for AUC and p-value for different threshold criteria using the lung area estimation method (LAEM) and the coefficient of variation (CV).

Comparison between patients suffering from acute respiratory distress syndrome (ARDS) and control patients without pulmonary pathologies.

LAEM Threshold CV	AUC	95% CI	p (ARDS vs Control)
5%	0.76	0.59–0.93	0.012
10%	0.76	0.59–0.93	0.012
15%	0.79	0.63–0.95	0.005
20%	0.79	0.65–0.94	0.005
25%	0.76	0.60–0.91	0.013
30%	0.77	0.62–0.92	0.009
35%	0.78	0.64–0.93	0.006
40%	0.85	0.73–0.98	< 0.001
45%	0.85	0.73–0.98	< 0.001
50%	0.89	0.78–1.00	< 0.001
55%	0.89	0.78–1.00	< 0.001
60%	0.85	0.73–0.98	< 0.001
65%	0.82	0.67–0.96	0.002
70%	0.79	0.64–0.94	0.005
75%	0.77	0.62–0.93	0.008
80%	0.69	0.52–0.86	0.064
85%	0.64	0.46–0.82	0.17
90%	0.62	0.44–0.81	0.23
95%	0.62	0.44–0.81	0.21