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. Author manuscript; available in PMC: 2013 Dec 10.
Published in final edited form as: Stat Med. 2012 Jun 26;31(28):3693–3707. doi: 10.1002/sim.5429

Figure 3.

Figure 3

KM curves by subgroups under simulated model 3. Horizontal axis is months from randomization. Vertical axis is probability of survival. Fig(3(a)) grouped by x1 status; Fig(3(b)) grouped by treatment arms; Fig(3(c)) grouped by x1 and treatment arms; Fig(3(d)) grouped by x1 and treatment arms when x2 = 0.