Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Clin Oncol. Nov 10, 2018; 9(7): 148-161
Published online Nov 10, 2018. doi: 10.5306/wjco.v9.i7.148
Table 5 Demographic and clinical characteristics of patients with stage 0-IV colorectal cancer from 2006-2012 (n, mean ± SD)
N0N1N2F or χ2P
Gender2.8950.235
Male242182126
Female234201105
Age (yr)62.46 ± 14.4362.17 ± 14.4361.98 ± 14.700.0950.909
ASA6.0110.198
1362277158
21029468
312125
Primary site4.940.895
Ileocecum362611
Right colon433022
Transverse colon706440
Left colon887246
Sigmoid colon533421
Rectum18615791
Tumor size (cm)3.31 ± 1.173.76 ± 0.824.11 ± 0.7456.008< 0.001
Operation method8.2330.411
RHC976743
LHC18615491
HO969
AR14511270
APR394418
Operation time (m)151.59 ± 36.31156.40 ± 34.94153.17 ± 31.302.0440.130
Resection length (cm)27.96 ± 9.9227.26 ± 9.8327.65 ± 9.920.5330.587
Blood loss (mL)184.39 ± 94.25185.23 ± 95.26194.30 ± 107.320.8790.416
Tumor invasion131.640< 0.001
Tis1600
T185179
T2927543
T3162127132
T4a8210822
T4b395625
Differentiation188.64< 0.001
Well1503113
Moderate276296124
Poor or undifferentiated505694
Number of LNs examined14.70 ± 1.8814.13 ± 1.7814.26 ± 1.850.4080.665
Number of positive LNs01.85 ± 0.735.46 ± 1.643050.47< 0.001
Complication4.0880.130
No436349201
Yes403430
Chemotherapy295.36< 0.001
Yes283383229
No19302
TNM staging AJCC-7th887.08< 0.001
01600
I13100
IIA13800
IIB5600
IIC3100
IIIA45829
IIIB49234117
IIIC94771
IVA1158
IVB0526
TNM staging AJCC-8th887.32< 0.001
01600
I13100
IIA13800
IIB5600
IIC3100
IIIA45829
IIIB49234117
IIIC94771
IVA1158
IVB018
IVC0418