Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastrointest Oncol. Sep 15, 2023; 15(9): 1616-1625
Published online Sep 15, 2023. doi: 10.4251/wjgo.v15.i9.1616
Table 1 Demographic and clinical characteristics of patients
Characteristics
MDT+ (n = 93)
MDT- (n = 169)
P value
Age (yr), mean (min-max)59.19 (28.00-89.00)60.15 (25.00-92.00)0.605
Male/female, n40/5389/800.172
BMI (kg/m2), mean (min-max)24.83 (17.29-33.82)23.62 (16.06-33.5)0.221
KPs score ≥ 6089/12150/190.095
Adenocarcinoma/mucinous adenocarcinoma, n83/10143/260.393
Poor differentiation, n (%)16 (17.20)21 (12.43)0.380
Primary tumor category ≥ T3, n (%)67 (72.04)135 (79.88)0.197
Primary LN involvement, n (%)60 (64.52)118 (69.82)0.458
Multiple liver metastases, n (%)75 (80.65)134 (79.29)0.920
Table 2 Baseline imaging examination and radiological tumor-node-metastasis staging

MDT+ (n = 93)
MDT- (n = 169)
P value
Chest CT, n (%)93 (100)140 (82.84)0.001
Abdomen MRI, n (%)89 (95.70)125 (73.96)0.000
PET-CT, n (%)22 (23.66)47 (27.81)0.906
TNM staging, n (%)93 (100)34 (20.12)0.000
Table 3 Oncology treatment and surgery

MDT+ (n = 93)
MDT- (n = 169)
P value
Initial resectable, n (%)17(18.285)21 (12.43)0.270
Successful conversion chemotherapy, n (uninitial resectable, n)13 (761)14 (1481)0.148
Chemotherapy, n (%)77 (82.80)116 (68.64)0.019
Curative resection, n (%)30 (32.29)35 (20.71)0.042
Simultaneous resection, n (%)29 (97.63)19 (55.88)0.001
RFA, n (%)5 (16.67)15 (44.12)0.036
Table 4 Univariate and multivariate analyses of risk factors associated with 1-year overall survival
n (%)Univariate
Multivariate
HR
95%CI
P value
HR
95%CI
P value
Age > 7561 (23.28)3.5332.44-5.110.0002.0651.257-3.3930.004
Sex (male)133 (50.76)0.8450.590-1.2110.358
BMI > 2846 (17.56)0.7650.468-1.2500.285
CEA > 5 ng/mL125 (47.71)7.2964.674-11.3910.0005.3083.262-8.6380.000
Colon primary118 (45.04)1.2830.896-1.8380.1741.0580.724-1.5440.772
Mucinous adenocarcinoma36 (13.74)0.8630.502-1.4820.593
Poor differentiation37 (14.12)1.2820.793-2.0730.311
Primary tumor category ≥ T3202 (77.10)1.2840.820-2.0090.274
Primary LN involvement178 (67.94)3.3362.061-5.4000.0001.9481.156-3.2810.012
Multiple liver metastases210 (80.15)13.974.44-43.970.0004.7471.470-15.3330.009
MDT93 (35.50)0.530.353-0.8010.0030.5720.374-0.8740.010
chemotherapy193 (73.66)0.2390.166-0.3440.0000.8740.539-1.4180.587
Curative resection67 (25.57)0.0160.002-0.1140.0000.0310.004-0.2270.001
Table 5 Univariate and multivariate analyses of risk factors associated with 5-year overall survival
n (%)Univariate
Multivariate
HR
95%CI
P value
HR
95%CI
P value
Age > 7561 (23.28)3.4712.532-4.7580.0002.0401.322-3.1490.001
Sex (male)133 (50.76)0.9380.721-1.2210.938
BMI > 2846 (17.56)0.9510.679-1.3310.769
CEA > 5 ng/mL125 (47.71)2.4461.872-3.1950.0002.5161.847-3.4280.000
Colon primary118 (45.04)1.3491.035-1.7570.0270.8280.622-1.1020.195
Mucinous adenocarcinoma36 (13.74)0.7920.529-1.1840.256
Poor differentiation37 (14.12)1.1020.758-1.6030.611
Primary tumor category ≥ T3202 (77.10)0.9690.710-1.3220.841
Primary LN involvement178 (67.94)1.5671.175-2.0880.0021.1430.835-1.5660.404
Multiple liver metastases210 (80.15)3.8522.592-5.7250.0002.5631.671-3.9320.000
MDT93 (35.50)0.6670.504-0.8840.0050.7090.527-0.9540.023
Chemotherapy193 (73.66)0.2030.147-0.2810.0000.5910.388-0.9000.014
Curative resection67 (25.57)0.0910.058-0.1440.0000.1110.069-0.1780.000