Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 21, 2017; 23(39): 7129-7138
Published online Oct 21, 2017. doi: 10.3748/wjg.v23.i39.7129
Table 3 Demographic and clinical characteristics of patients in the two groups
All patients
Propensity-matched patients
Group T (n = 51)Group A (n = 456)P valueGroup T (n = 51)Group A (n = 102)P value
Age (mean ± SD, yr)55.5 ± 12.161.6 ± 11.2< 0.00155.5 ± 12.155.9 ± 11.00.916
Gender< 0.0011.000
Male343453468
Female171111734
Charlson comorbidity index0.2810.608
0484184892
1-2338310
BMI (mean ± SD, kg/m2)22.5 ± 13.122.3 ± 13.50.91922.5 ± 13.122.6 ± 12.80.965
Tumor size (mean ± SD, cm)4.5 ± 1.54.9 ± 1.30.0414.5 ± 1.54.7 ± 1.70.142
Tumor location< 0.0010.177
Upper third4188412
Middle third341693476
Whole13991314
Histology type0.4530.482
Differentiation474164797
Undifferentiation44045
Preoperative albumin (mean ± SD, g/L)40.8 ± 4.339.1 ± 5.20.02540.8 ± 4.340.6 ± 4.60.796
Depth of infiltration (T)0.1740.643
T115821523
T2883818
T3101351016
T4a181661845
Nodal status (N)0.7290.534
N0211902134
N111771118
N2566510
N3141231440
UICC stage0.3190.502
I13781318
II171591740
III212192144