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

Table 2 Assignment table

Independent variable	Assignment
BMI	0: < 18.5 kg/m2; 1: 18.5-24 kg/m2; 2: > 24 kg/m2
Pathological stage	1: I; 2: II; 3: III; 4: IV
Degree of tumor differentiation	1: Poorly differentiated; 2: Moderately differentiated; 3: Highly differentiated
Degree of periintestinal infiltration	1: Mild; 2: Moderate; 3: Severe
Tumor size	0: < 4 cm; 1: ≥ 4 cm
Lymph node CT value	0: < 30 HU; 1: ≥ 30 HU
Mean tumor long-axis diameter	0: < 0.6 cm; 1: ≥ 0.6 cm
Mean tumor short-axis diameter	0: < 0.45 cm; 1: ≥ 0.45 cm

BMI: Body mass index; CT: Computed tomography.