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. Author manuscript; available in PMC: 2016 Mar 15.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Mar 15;91(4):721–729. doi: 10.1016/j.ijrobp.2014.12.023

Table 5.

Primary MTV vs. T Stage

Model AIC [1] Covariate(s) Hazard ratio (95% CI) p-value
Local-regional relapse
 1 120.28 Primary MTV (> vs. ≤ median) 4.01 (1.28, 12.52) 0.02
 2 124.63 T stage (T4 vs. T2–3) 2.34 (0.83, 6.59) 0.11
 3 121.98 Primary MTV (> vs. ≤ median)
T stage (T4 vs. T2–3)		 3.59 (1.07, 12.11)
1.36 (0.45, 4.11)		 0.04
0.58
Progression-free survival
 1 183.20 Primary MTV (> vs. ≤ median) 2.34 (1.02, 5.37) 0.05
 2 186.52 T stage (T4 vs. T2–3) 1.54 (0.63, 3.74) 0.34
 3 185.19 Primary MTV (> vs. ≤ median)
T stage (T4 vs. T2–3)		 2.31 (0.94, 5.70)
1.03 (0.39, 2.71)		 0.07
0.95

CI = confidence interval.

Hazard ratios estimated from Cox models.

[1]

Akaike information criterion.