Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Nov 21, 2014; 20(43): 16258-16267
Published online Nov 21, 2014. doi: 10.3748/wjg.v20.i43.16258
Table 1 Associations and comparisons between phosphatidylinositol 3-kinase CB expression and clinicopathological factors in 208 rectal adenocarcinoma patients receiving preoperative radiotherapy
ParameterNo. of casesPIK3CB expression
P value
LowHigh
SexMale12037830.619
Female883058
Age in years< 6514047930.547
≥ 65682048
TH in cm< 57414600.002
≥ 51345381
PreTNMII299200.945
1(18)III16151110
BMI011290.300
11052976
2762945
316511
LVINegative214170.222
Positive18763124
Diff.ypCR11380.562
1(1)G1-214641105
G3-4501832
ypTT08620.043
T11147
T2552035
T31343797
ypNN012236860.608
N1552035
N2311120
TRG1 (G1-2)322930.000
2 (G3)792653
3 (G4-5)971285
Table 2 Univariate log-rank analysis for important clinicopathological and phosphatidylinositol 3-kinase CB expression
ParameterDSS
LRFS
MeFS
HR95%CIP valueHR95%CIP valueHR95%CIP value
Sex1.4820.654-3.3560.3460.9700.483-1.9450.9310.5860.219-1.5700.288
Age0.9080.377-2.1860.8301.4910.749-2.9700.256021.9470.808-4.6930.138
TH0.7370.320-1.6980.4731.0960.412-2.9150.8540.7260.218-2.4130.601
PreTNM0.9760.309-3.0840.9670.8090.293-2.2370.6830.5070.145-1.7710.287
BMI1.3850.774-2.4800.2721.1800.732-1.9030.4971.1060.569-2.1510.766
LVI2.0180.687-5.9270.2021.1060.366-3.3400.8580.8510.214-3.3760.818
Diff.1.0650.470-2.4150.8800.4600.203-1.0410.0620.4380.128-1.4940.187
ypT1.2000.546-2.6400.6500.9710.537-1.7560.9231.0670.488-2.3320.872
ypN0.8390.498-1.4140.5102.9261.816-4.7130.0002.4421.275-4.6740.007
TRG2.3371.064-5.1360.0351.9811.012-3.8770.0462.7551.052-7.2150.039
PIK3CB1.6850.727-3.9090.2242.2280.801-6.2020.1251.8280.397-8.4110.439
Table 3 Multivariate analysis for important clinicopathological and phosphatidylinositol 3-kinase CB expression
ParameterDSS
LRFS
MeFS
No. cNo. eP valueNo. eP valueNo. eP value
SexMale120430.5541090.476900.109
Female88278664
Age in years< 65140490.7691300.502990.173
≥ 6568216555
TH in cm< 574280.053660.072560.004
≥ 51344212998
PreTNMII2970.544270.959230.437
III161581 (5)1481 (20)1151 (16)
BMI01150.008110.62860.906
1105299684
276317252
31651613
LVINegative21110.506190.647120.115
Positive18759176142
Diff.ypCR1111 (1)0.189111 (1)0.974100.951
G1-214648139108
G3-450204436
ypTT0810.35980.37480.544
T1114118
T25585448
T31345712290
ypN0122250.0431160.0001030.005
155245234
231212717
TRG1 (G1-2)3250.020310.018280.021
2 (G3)79257756
3 (G4-5)97408770
PIK3CBLow exp67190.124620.011510.010
High exp14151133103