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. Author manuscript; available in PMC: 2016 Nov 15.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Oct 19;93(4):737–745. doi: 10.1016/j.ijrobp.2015.07.2284

Figure 1.

Figure 1

Forest plot of hazard ratios (HRs) describing the association between radiotherapy intensification and local control in randomized trials for early-stage laryngeal cancer. Hazard ratios for each trial are represented by the squares, the size of the square represents the weight of the trial in the meta-analysis, and the horizontal line crossing the square represents the 95% confidence interval. The diamond represents the estimated overall effect based on the meta-analysis of all trials.