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Table 3 Cox proportional-hazard regression analysis for disease-free 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 0.103 1.623 0.907 2.906     
Age 0.710 0.899 0.514 1.573     
Tumor size 0.004 2.295 1.311 4.018     
Borrmann classification 0.002 2.814 1.475 5.370     
Histological Differentiation 0.008 2.515 1.266 4.999 0.039 2.198 1.040 4.644
Depth of invasion 0.000 1.848 1.443 2.365     
Lymph node metastasis 0.000 2.045 1.645 2.542     
pTNM 0.000 3.431 2.149 5.479 0.019 3.778 2.561 4.182
Vascular invasion 0.000 4.729 2.618 8.542 0.007 2.687 1.311 5.506
Nerve invasion 0.006 2.924 1.364 6.269     
CEA 0.048 2.066 1.006 4.243     
NORLN 0.288 1.009 0.992 1.026     
NOMLN 0.000 1.097 1.069 1.126 0.047 1.060 1.001 1.123
Resection range 0.208 1.400 0.829 2.362     
Lymphadenectomy 0.055 1.971 0.986 3.941     
PHS 0.334 1.022 0.978 1.069     
Operation time 0.472 1.002 0.997 1.006     
  1. CEA carcinoembryonic antigen, NORLN number of retrieved lymph nodes, NOMLN number of metastatic lymph nodes, PHS postoperative hospital stay
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