Research Article

Extracellular Volume Fraction Calculated Using Contrast-Enhanced Computed Tomography as a Biomarker of Oxaliplatin-Induced Sinusoidal Obstruction Syndrome: A Preliminary Histopathological Analysis

Table 2

Univariate analysis of the impact of the clinical valuables on sinusoidal obstruction syndrome.

ParameterGrade 0Grade 1 + 2 value
(n = 17)(n = 9)

Patient characteristics
 Age (years)59.9 ± 10.866.1 ± 11.50.224
 Sex (male/female)9/88/10.067
 Body mass index (kg/m2)24.1 ± 6.021.6 ± 2.80.346
Chemotherapy
 Purpose (NAC/unresectable, conversion)11/65/40.648
 Cycle of OX-based chemotherapy10.3 ± 6.88.1 ± 5.70.471
 Use of bevacizumab (yes/no)10/73/60.216
Preoperative biologic data
 AST (U/L)23.4 ± 6.132.2 ± 13.30.100
 Hematocrit (%)38.7 ± 5.138.1 ± 5.70.628
 Type IV collagen (ng/mL)6.32 ± 1.788.26 ± 4.280.477
 ICG R15 (%)12.0 ± 11.312.3 ± 4.60.162
 APRI0.33 ± 0.120.53 ± 0.310.100
 FIB-4 index1.67 ± 0.842.28 ± 0.850.090
Histopathological finding
 Fibrotic grading (Grade 0/1 or 2)7/105/40.484
Imaging parameter
 ECV fraction (%)26.3 ± 3.430.6 ± 7.00.025
 Increasing rate of SV (%)114.2 ± 24.3140.0 ± 56.80.159

AST, aspartate alkaline phosphatase; APRI, AST to platelet ratio index; ECV, extracellular volume; ICG R15, retention rate of indocyanine green at 15 min; SV, spleen volume.