Retrospective Study
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Jun 15, 2017; 9(6): 257-262
Published online Jun 15, 2017. doi: 10.4251/wjgo.v9.i6.257
Table 1 Characteristics of patients in this study
Group AGroup BP value
Patients number115333
Sex (Male: female)73/42135/198
Mean age (yr)83.4465.87< 0.05
Occupied lesion0.693
U2481
M39114
L52138
Clinical stage (13th edition)0.446
IA40137
IB3065
II2048
IIIA939
IIIB826
IV818
Lymph nodes metastasis0.639
Negative76212
Positive39121
Histological type0.1224
Intestinal70175
Diffuse45158
Operative procedures0.074
Distal gastrectomy68218
Total gastrectomy3495
Proximal gastrectomy54
PPG311
Partial gastrectomy54
PD1
Lymph nodes dissection< 0.05
D0188
D16061
D236264
Curability< 0.05
Curative97310
Non-curative1823
Table 2 Postoperative complications compared between two aged group
Group A (n = 115)Group B (n = 333)P value
Anastomotic leakage5 (4.3)8 (2.4)NS
Respiratory complications7 (6.0)7 (2.1)< 0.05
Other complications
Pancreatitis3 (2.6)7 (2.1)NS
Intraabdominal abscess0 (0)5 (1.5)NS
Ileus1 (0.87)1 (0.3)NS
Duodenal stump perforation1 (0.87)1 (0.3)NS
Hepatic failure1 (0.87)
Cholecystitis0 (0)1 (0.3)NS
Hospital death5 (4.3)3 (0.9)< 0.05
Table 3 Univariate analysis of overall survival in Group A patients after IPTW method
VariantsHR95%CIP value
Sex (male:female)0.9410.515-1.7200.845
Tumor location (U:M:L)0.9670.779-1.2020.768
Operative procedures (total:others)1.0050.813-1.2420.961
Extent of LN dissection (D0:D1:D2)0.6610.4233-1.0320.009
pStage (13th edition) (I:II:III:IV)2.121.616-2.7820.001
Radicality (curative:non-curative)1.5290.083-0.2800.001
pLN metastasis (negative:positive)2.3321.274-4.2720.006
Postoperative complications (negative:positive)1.4320.642-3.1950.379
Histology (Lowren) (intestinal:diffuse)2.6371.470-4.7290.01
Table 4 Multivariate analysis of overall survival in Group A
Stepwise method (P < 0.1)
HR95%CIP value
pStage2.0141.516-2.6750.01
Histology (Lauren)2.0391.117-3.7200.02
Extent of LN dissection0.5280.343-0.8130.004