Retrospective Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Apr 7, 2020; 26(13): 1501-1512
Published online Apr 7, 2020. doi: 10.3748/wjg.v26.i13.1501
Table 1 Correlation between gamma-glutamyltransferase to lymphocyte ratio and clinicopathological characteristics in intrahepatic cholangiocarcinoma
VariablesDerivation
P valueValidation
P value
GLR ≤ 33.7GLR > 33.7GLR ≤ 33.7GLR > 33.7
Total patients10715797166
Age, yr57.96 (11.48)57.80 (10.35)0.90256.97 (10.69)56.48 (10.56)0.716
Male gender, n (%)42 (39.3)85 (54.1)0.024a38 (39.2)89 (53.6)0.030a
HBsAg, n (%)36 (33.6)37 (23.6)0.07331 (32.3)47 (28.5)0.575
Hepatolithiasis, n (%)14 (13.1)27 (17.2)0.39615 (15.5)32 (19.3)0.511
Child-Pugh grade B, n (%)3 (2.8)8 (5.1)0.5332 (2.1)11 (6.6)0.141
Ascites, n (%)6 (5.6)21 (13.4)0.0614 (4.1)19 (11.4)0.068
CA-199 < 22, n (%)38 (36.5)42 (27.5)0.005a29 (31.2)40 (24.2)0.043a
Tumor size, cm5.14 (2.29)6.51 (2.78)< 0.001a5.40 (2.22)6.36 (2.97)0.007a
Solitary tumor, n (%)89 (83.2)102 (65.0)0.001a67 (69.1)113 (68.1)0.895
Well tumor differentiation, n (%)6 (5.6)4 (2.5)0.3315 (5.2)7 (4.2)0.767
Macrovascular invasion, n (%)17 (15.9)45 (28.7)0.011a8 (8.2)53 (31.9)< 0.001a
Microvascular invasion, n (%)6 (5.6)23 (14.6)0.026a7 (7.2)17 (10.2)0.514
Liver capsule invasion, n (%)67 (62.6)107 (68.2)0.36264 (66.0)97 (58.4)0.248
Node-positive, n (%)16 (15.0)48 (30.6)0.005a18 (18.6)47 (28.3)0.107
Perineural invasion, n (%)9 (8.4)27 (17.2)0.044a8 (8.2)35 (21.1)0.009a
Cirrhosis, n (%)27 (25.2)53 (33.8)0.17419 (19.6)46 (27.7)0.182
TNM stage, n (%)0.002a0.107
IA23 (21.5)12 (7.6)13 (13.4)15 (9.0)
IB6 (5.6)12 (7.6)6 (6.2)13 (7.8)
II6 (5.6)13 (8.3)10 (10.3)26 (15.7)
IIIA55 (51.4)72 (45.9)50 (51.5)64 (38.6)
IIIB17 (15.9)48 (30.6)18 (18.6)48 (28.9)
BCLC stage, n (%)< 0.001a< 0.001a
06 (5.6)9 (5.7)3 (3.1)5 (3.0)
A44 (41.1)25 (15.9)34 (35.1)38 (22.9)
B40 (37.4)78 (49.7)52 (53.6)70 (42.2)
C17 (15.9)45 (28.7)8 (8.2)53 (31.9)
Table 2 Univariate analysis in the derivation cohort
VariablesOverall survival
Recurrence-free survival
HR95%CIP valueHR95%CIP value
Age1.0020.987-1.0170.8190.9980.985-1.0110.763
Gender, F/M0.7520.546-1.0350.080a0.8460.633-1.1320.262
HBsAg1.2100.853-1.7170.2851.2740.924-1.7560.139
Hepatolithiasis1.5931.061-2.3930.025a1.1760.785-1.7610.433
Child-Pugh grade, A /B0.6140.323-1.1670.1360.7320.381-1.3670.317
Ascites1.6391.011-2.6580.045a1.5320.988-2.3760.056a
CA-199 (≥ 22/< 22)0.9530.926-0.9810.001a1.5461.259-1.899< 0.001a
Tumor size1.0751.012-1.1410.019a1.1231.063-1.187< 0.001a
Tumor number, Multiple/Single1.6551.172-2.3280.004a1.8931.388-2.582< 0.001a
Tumor differentiation, Moderate-Poor/Well1.8910.699-5.1150.2093.2771.045-10.2740.042a
Macrovascular invasion1.3710.953-1.9720.089a1.2770.913-1.7870.153
Microvascular invasion1.6191.029-2.5480.037a1.9831.306-3.0120.001a
Liver capsule invasion0.8150.586-1.1340.2251.1400.833-1.5610.412
Node-positive2.8462.030-3.989< 0.001a2.4841.810-3.409< 0.001a
Perineural invasion1.7371.129-2.6730.012a1.2450.821-1.8870.302
Cirrhosis1.5261.094-2.1300.013a1.1820.863-1.6170.297
TNM stage, III/I-II1.0670.745-1.5290.7221.4311.010-2.0280.044a
BCLC, B-C/0-A1.2950.906-1.8500.1561.6071.150-2.2460.005a
NLR, > 2.62/≤ 2.621.7011.221-2.3710.002a1.4221.057-1.9120.020a
PLR, > 103/≤ 1031.3660.983-1.8970.063a1.3601.009-1.8330.043a
GLR, > 33.7/≤ 33.72.3161.617-3.316< 0.001a1.9311.413-2.639< 0.001a
Table 3 Univariate analysis in the validation cohort
VariablesOverall survival
Recurrence-free survival
HR95%CIP valueHR95%CIP value
Age0.9960.981-1.0110.5940.9900.976-1.0040.148
Gender, F/M0.9070.667-1.2330.5340.9200.695-1.2180.560
HBsAg1.0040.717-1.4050.9821.1100.819-1.5050.500
Hepatolithiasis1.0920.744-1.6020.6540.7990.551-1.1580.236
Child-Pugh grade, A /B0.8520.435-1.6710.6420.7510.418-1.3500.339
Ascites1.4400.871-2.3820.1551.5801.004-2.4870.048a
CA-199, ≥ 22/< 221.7441.390-2.188< 0.001a1.4021.140-1.7220.001a
Tumor size1.0540.997-1.1150.064a1.0841.030-1.1410.002a
Tumor number, Multiple/Single1.8451.344-2.531< 0.001a1.8741.397-2.513< 0.001a
Tumor differentiation, Moderate-Poor/Well13.4491.881-96.1500.0106.0531.930-18.9820.002a
Macrovascular invasion1.0500.730-1.5110.7921.0090.718-1.4180.959
Microvascular invasion1.9951.228-3.2420.005a2.0231.290-3.1720.002a
Liver capsule invasion1.5531.118-2.1590.009a1.2800.955-1.7160.099a
Node-positive2.0091.438-2.808< 0.001a1.5251.115-2.0850.008a
Perineural invasion1.3660.906-2.0590.1361.2620.867-1.8380.225
Cirrhosis0.9840.686-1.4120.9321.0540.762-1.4590.749
TNM stage, III/I-II1.7741.242-2.5330.002a1.4131.035-1.9290.029
BCLC, B-C/0-A1.6191.136-2.3080.008a1.8491.335-2.562< 0.001a
NLR, > 2.62/≤ 2.621.6491.202-2.2610.002a1.6351.226-2.1800.001a
PLR, > 103/≤ 1031.4171.036-1.9380.029a1.0650.803-1.4140.661
GLR, > 33.7/≤ 33.71.8261.300-2.5650.001a1.7801.315-2.408< 0.001a
Table 4 Multivariate analysis of prognostic factors for overall survival and recurrence-free survival
OSDerivation cohort (n = 264)
Validation cohort (n = 263)
HR95%CIP valueHR95%CIP value
Gender, F/M0.8470.58-1.2160.367-
Hepatolithiasis1.0730.677-1.6990.765-
Child-Pugh grade, A /B0.7750.38-1.5830.485-
Ascites0.7580.428-1.3390.3400.6400.376-1.0900.100
CA-199, ≥ 22/< 221.7311.331-2.252< 0.001a1.6121.252-2.075< 0.001a
Tumor size1.0530.967-1.1460.2340.9310.857-1.0110.088
Tumor number, Multiple/Single1.6621.086-2.5430.019a1.6771.189-2.3660.003a
Tumor differentiation, Moderate-Poor/Well-7.9271.083-58.020.042a
Macrovascular invasion1.1990.781-1.8430.407-
Microvascular invasion1.0820.635-1.8420.7731.3490.801-2.2740.261
Liver capsule invasion-1.0360.533-2.0130.917
Node- positive2.0381.365-3.042< 0.001a1.2690.835-1.9280.265
Perineural invasion1.2520.773-1.1160.1690.9730.591-1.6030.914
Cirrhosis1.5891.074-2.3510.020a-
TNM stage, III/I-II-1.2940.607-2.7610.505
BCLC, B-C/0-A0.6270.364-1.0780.0911.3070.813-2.1010.269
NLR, > 2.62/≤ 2.621.3570.912-2.0170.1321.2870.897-1.8460.170
PLR, > 103/≤ 1031.1410.776-1.6790.5021.0940.778-1.5390.604
GLR, > 33.7/≤ 33.71.6201.066-2.4620.024a1.4661.033-2.1420.048a
RFS
Age-0.9910.976-1.0060.236
HBsAg1.3670.974-1.9190.071-
Ascites0.7630.473-1.2300.2660.6210.382-1.0100.055
CA-199, ≥ 22/< 221.4061.128-1.7520.002a1.3191.050-1.6560.017a
Tumor size1.0730.994-1.1580.0720.9750.906-1.0500.501
Tumor number, Multiple/Single1.4340.998-2.0600.0511.6131.172-2.2190.003a
Tumor differentiation, Moderate-Poor/Well2.0680.635-6.7340.2283.6171.114-11.7410.032a
Macrovascular invasion1.1490.785-1.6820.475-
Microvascular invasion1.6431.031-2.6180.037a1.6070.986-2.6180.057
Liver capsule invasion-0.7780.428-1.4170.413
Node-positive1.8591.272-2.7160.001a0.9720.664-1.4210.882
TNM stage, III/I-II0.8920.559-1.3280.5721.5240.778-2.9880.220
BCLC, B-C/0-A0.7840.480-1.2800.3311.3390.859-2.0870.198
NLR, > 2.62/≤ 2.621.1280.811-1.5710.4741.3520.967-1.8910.077
PLR, > 103/≤ 1031.1250.809-1.5650.4830.8050.589-1.1000.173
GLR, > 33.7/≤ 33.71.4711.029-2.1030.034a1.4801.057-2.0700.022a