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. Author manuscript; available in PMC: 2017 Aug 10.
Published in final edited form as: Stat Med. 2012 Jul 11;31(29):3931–3945. doi: 10.1002/sim.5469

Figure 2.

Figure 2

Estimates of the population mean regression of FEV1 % predicted vs. age by birth cohort from the lognormal joint model without correction for left truncation, JM-UN ( Inline graphic) and from the lognormal joint model with correction for left truncation, JM-C ( Inline graphic).