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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Cancer. 2010 Sep 22;117(3):554–562. doi: 10.1002/cncr.25460

Table 4.

Estimated Probability of Surviving more than 3 years

Prob of surviving more
than 3 years
Univariate
hazard ratio
(95% CI)
Tumor Characteristic Absent Present
Bilateral tumor 0.27 0.33 0.76 (0.363–1.61)
Microscopic surf involv. 0.24 0.37 0.72 (0.362–1.45)
Hilar involvement 0.29 0.40 0.84 (0.254–2.75)
Nodular growth pattern 0.25 0.42 0.72 (0.334–1.56)
Infiltrative invasive pattern 0.57 0.22 2.01 (0.825–4.90)
Small neoplastic glands 0.50 0.24 2.04 (0.826–5.02)
Single neoplastic cells 0.45 0.23 1.64 (0.775–3.58)
Signet ring cells 0.35 0.11 2.44 (1.11–5.31)
Expansile invasive pattern 0.27 0.36 0.75 (0.361–1.55)
Complex papillae 0.30 0.31 0.94 (0.454–1.94)
Necrotic luminal debris 0.37 0.0 1.45 (0.618–3.42)
Tumor size ≥ 13 cms 0.39 0.26 1.35 (0.640–2.83)
Primary vs Metastatic 0.29 0.31 0.77 (0.383–1.56)
Residuum (macroscopic) 0.42 0.20 1.87 (0.921–3.79)

Probability of surviving more than 3 years is based on the Kaplan-Meier procedure.

(Absent versus present refers to those patients without the tumor characteristics versus those with the characteristic). The hazard ratio is the death rate of those with the tumor characteristic relative to those without the characteristic. For primary vs metastatic disease the reference group consists of those with metastatic disease.