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Table 3 Multivariate Cox regression analysis of clinical variables on overall survival

From: Highly frequent PIK3CA amplification is associated with poor prognosis in gastric cancer

Variable HR 95% CI P
PIK3CA amplification 2.59 1.39-4.82 0.003
Age1 1.28 0.98-1.67 0.07
Differentiation2 1.16 0.66-2.05 0.61
Lymph node metastasis3 2.70 1.01-7.21 0.047
TNM stage4 2.07 1.17-3.65 0.01
  1. † HR: Hazard Ratio
  2. 1 Age (per 10 years)
  3. 2 Differentiation (well or moderate; poor or no differentiation)
  4. 3 Lymph node metastasis (Yes vs. No)
  5. 4 Tumor stage (I; II; III; IV)