Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Jul 27, 2021; 13(7): 689-701
Published online Jul 27, 2021. doi: 10.4240/wjgs.v13.i7.689
Table 1 Baseline patient clinicopathologic characteristics
Progression-free survival
1P value
Overall survival
1P value
No progression
Progression
Survival
Death
(n = 1388) (%)
(n = 308) (%)
(n = 1494) (%)
(n = 202) (%)
Age (yr) (mean ± SD)58.61 ± 11.7158.48 ± 12.640.86158.64 ± 11.7558.19 ± 12.810.618
SexMale821 (59.15)195 (63.31)0.199880 (58.90)136 (67.33)0.022
Female567 (40.85)113 (36.69)614 (41.10)66 (32.67)
Tumor locationColon801 (57.71)178 (57.79)0.999861 (57.63)118 (58.42)0.880
Rectum587 (42.29)130 (42.21)633 (42.37)84 (41.58)
TNM stageI216 (15.56)7 (2.27)< 0.001219 (14.66)4 (1.98)< 0.001
II522 (37.61)51 (16.56)536 (35.88)37 (18.32)
III561 (40.42)93 (30.19)570 (38.15)84 (41.58)
IV89 (6.41)157 (50.97)169 (11.31)77 (38.12)
Tumor size (cm)d < 261 (4.39)12 (3.90)0.86367 (4.48)6 (2.97)0.246
2 ≤ d < 5886 (63.83)201 (65.26)964 (64.52)123 (60.89)
d > 5441 (31.77)95 (30.84)463 (31.00)73 (36.14)
DifferentiationLow186 (13.40)36 (11.69)0.586192 (12.85)30 (14.85)0.648
Medium1104 (79.54)253 (82.14)1197 (80.12)160 (79.21)
High98 (7.06)19 (6.17)105 (7.03)12 (5.94)
Circumferential marginNo1372 (98.85)301 (97.73)0.1671477 (98.86)196 (97.03)0.047
Yes16 (1.15)7 (2.27)17 (1.14)6 (2.97)
Vascular tumor thrombusNo1111 (80.04)218 (70.78)0.0011180 (78.98)149 (73.76)0.101
Yes277 (19.96)90 (29.22)314 (21.02)53 (26.24)
Nerve invasionNo1098 (79.11)228 (74.03)0.0571177 (78.78)149 (73.76)0.122
Yes290 (20.89)80 (25.97)317 (21.22)53 (26.24)
ChemotherapyNo606 (43.66)87 (28.25)< 0.001603 (40.36)90 (44.55)0.254
Yes782 (56.34)221 (71.75)891 (59.64)112 (55.45)
RadiotherapyNo1315 (94.74)275 (89.29)0.0011400 (93.71)190 (94.06)0.999
Yes73 (5.26)33 (10.71)94 (6.29)12 (5.94)
ApoA1 (G/L)1.22 ± 0.251.12 ± 0.27< 0.0011.20 ± 0.251.12 ± 0.280.010
ApoB (G/L)0.94 ± 0.230.91 ± 0.240.1700.93 ± 0.230.92 ± 0.250.628
HDL-C (mmol/L)1.22 ± 0.331.20 ± 0.340.2081.22 ± 0.331.20 ± 0.370.440
LDL-C (mmol/L)2.62 ± 0.752.60 ± 0.840.8072.61 ± 0.752.64 ± 0.900.664
Table 2 Cox proportional hazards regression analyses for basic lipid indicators for progression-free survival and overall survival
AUCCut-pointPFS
Univariate
P value
Multivariate1
P value
HR (95%CI)
HR (95%CI)
HDL-C (mmol/L)0.5190.9200.699 (0.530-0.920)0.011b0.696 (0.528-0.918)0.010a
LDL-C (mmol/L)0.5132.1600.865 (0.679-1.103)0.2420.878 (0.689-1.119)0.295
ApoA1 (G/L)0.6101.0300.520 (0.374-0.725)< 0.001b0.617 (0.442-0.863)0.005a
ApoB (G/L)0.5470.8600.743 (0.537-1.029)0.0740.796 (0.574-1.103)0.170
OS
AUCCut-pointUnivariateP valueMultivariate2P value
HR (95%CI)HR (95%CI)
HDL-C (mmol/L)0.5190.9000.492 (0.354-0.685)< 0.001b0.505 (0.363-0.702)< 0.001a
LDL-C (mmol/L)0.4993.6501.645 (1.096-2.468)0.016b1.503 (1.001-2.258)0.050
ApoA1 (G/L)0.5781.1300.572 (0.375-0.873)0.010b0.625 (0.410-0.955)0.030a
ApoB (G/L)0.5270.8600.744 (0.487-1.136)0.1710.807 (0.528-1.234)0.323
Table 3 Cox proportional hazards regression analyses for lipid-based indicators for progression-free survival and overall survival
AUCCut-pointPFS
Univariate
P value
Multivariate1
P value
HR (95%CI)
HR (95%CI)
HDL-C/LDL-C0.4970.3230.672 (0.500-0.904)0.009b0.710 (0.528-0.955)0.024a
ApoA1/ApoB0.5280.9090.465 (0.302-0.715)0.001b0.501 (0.324-0.775)0.002a
OS
AUCCut-pointUnivariateP valueMultivariate2P value
HR (95%CI)HR (95%CI)
HDL-C/LDL-C0.5060.3230.573 (0.402-0.815)0.002b0.619 (0.434-0.882)0.008a
ApoA1/ApoB0.5270.8710.411 (0.232-0.729)0.002b0.481 (0.271-0.853)0.012a
Table 4 Cox proportional hazards regression analyses for lipoprotein-cholesterol-apolipoprotein score for progression-free survival and overall survival
Continuous variable

PFS

Univariate
P value
Multivariate1
P value

HR (95%CI)
HR (95%CI)
LA score30.625 (0.490-0.797)< 0.001b0.654 (0.512-0.836)0.001a
OS
UnivariateP valueMultivariate2P value
HR (95%CI)HR (95%CI)
LA score30.616 (0.453-0.838)0.002b0.677 (0.500-0.917)0.012a
Dummy variable
PFS
UnivariateP valueMultivariate1P value
HR (95%CI)HR (95%CI)
LA score3 10.598 (0.280-1.277)0.1840.646 (0.302-1.383)0.261
LA score3 20.387 (0.233-0.643)< 0.001b0.427 (0.256-0.713)0.001a
OS
UnivariateP valueMultivariate2P value
HR (95%CI)HR (95%CI)
LA score3 10.973 (0.370-2.561)0.9561.508 (0.507-3.992)0.408
LA score3 20.413 (0.213-0.802)0.009b0.524 (0.269-1.019)0.057
Table 5 Association between lipoprotein-cholesterol-apolipoprotein score with overall survival and progression-free survival in patients with colorectal cancer among different subgroups
LA score
PFS
OS
n
Progression
HR (95%CI)
n
Death
HR (95%CI)
Age (yr)< 65330900.725 (0.532-0.987)330490.626 (0.424-0.924)
≥ 65191580.540 (0.358-0.814)191380.724 (0.437-1.199)
SexMale321970.671 (0.500-0.901)321580.756 (0.520-1.101)
Female200510.592 (0.366-0.956)200290.572 (0.333-0.981)
TNM stageI/II243350.805 (0.421-1.538)243150.678 (0.265-1.735)
III/IV2781130.632 (0.485-0.824)278720.676 (0.490-0.932)
Tumor locationColon320910.793 (0.557-1.128)320530.686 (0.454-1.036)
Rectum201570.582 (0.411-0.826)201340.710 (0.450-1.121)
Tumor size (cm)d < 212201220
2 ≤ d < 53741080.575 (0.435-0.761)374610.636 (0.445-0.908)
d ≥ 5135380.792 (0.485-1.294)135240.634 (0.354-1.137)
DifferentiationLow56180.504 (0.286-0.890)56110.298 (0.149-0.594)
Medium4151180.722 (0.534-0.977)415680.781 (0.528-1.155)
High50120.534 (0.261-1.093)5080.704 (0.313-1.586)