Correlation between abdominal computed tomography signs and postoperative prognosis for patients with colorectal cancer

Table 4 Receiver operating characteristic analysis

Variable	Area (95%CI)	Standard error	P value	Sensitivity	Specificity
BMI	0.847 (0.753-0.942)	0.048	< 0.001	82.6%	83.1%
Degree of periintestinal infiltration	0.735 (0.613-0.857)	0.062	0.001	52.2%	86.2%
Tumor size	0.705 (0.587-0.824)	0.06	0.004	82.6%	58.5%
Lymph node CT value	0.648 (0.518-0.778)	0.066	0.036	69.6%	60.0%

BMI: Body mass index; CT: Computed tomography; CI: Confidence interval.