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Table 5 Final Cox Proportional Hazards Model in Propensity Score-Matched Cohort

From: Laparoscopic versus open colectomy for colon cancer in an older population: a cohort study

Variable

Hazard Ratio

95% CI

P valuea

Laparoscopic Colectomy

0.936

0.760-1.152

0.5301

Female Gender

0.996

0.805-1.232

0.9693

Positive Nodes

2.028

1.504-2.735

< 0.0001

Chemotherapy Receipt

0.550

0.423-0.717

< 0.0001

Chemotherapy*ln(survival time)

1.460

1.222-1.744

< 0.0001

Regional Stage disease

1.520

1.103-2.095

0.0105b

Distant Stage disease

6.463

4.409-9.472

< 0.0001b

  1. a Wald test.
  2. b Compared with localized disease.
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World Journal of Surgical Oncology

ISSN: 1477-7819

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