Skip to main content

Table 2 Cox proportional-hazard regression analysis for overall survival

From: Laparoscopic gastrectomy plus D2 lymphadenectomy is as effective as open surgery in terms of long-term survival: a single-institution study on gastric cancer

Characteristics Univariate analysis Multivariate analysis
  P value HR 95.0% CI for Exp(B) P value HR 95.0% CI for Exp(B)
   Lower Upper Lower Upper
Gender 0.029 1.711 1.057 2.772     
Age 0.409 1.207 0.772 1.888     
Tumor size 0.000 2.318 1.471 3.655     
Borrmann classification 0.000 3.786 2.121 6.758 0.014 2.252 1.175 4.316
Histological differentiation 0.019 1.817 1.104 2.990     
Depth of invasion 0.000 1.875 1.524 2.306     
Lymph node metastasis 0.000 2.183 1.821 2.617 0.036 1.483 1.296 1.511
pTNM 0.000 3.459 2.338 5.119 0.027 2.379 1.968 2.549
Vascular invasion 0.000 3.420 2.066 5.661     
Nerve invasion 0.005 2.611 1.328 5.135     
CEA 0.006 2.255 1.261 4.032     
NORLN 0.522 1.004 0.991 1.018     
NOMLN 0.000 1.090 1.070 1.110 0.032 1.052 1.004 1.101
Resection range 0.029 1.625 1.052 2.510     
Lymphadenectomy 0.180 1.527 0.823 2.832     
PHS 0.647 1.009 0.970 1.050     
Operation time 0.081 1.003 1.000 1.007     
  1. CEA carcinoembryonic antigen, NORLN number of retrieved lymph nodes, NOMLN number of metastatic lymph nodes, PHS postoperative hospital stay
\