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. Author manuscript; available in PMC: 2014 Feb 20.
Published in final edited form as: AIDS. 2013 Feb 20;27(4):645–650. doi: 10.1097/QAD.0b013e32835c12f9

Figure 1. Kaplan-Meier estimates of time to loss to follow-up by baseline CD4 value (top) and by baseline CD4 by gender/pregnancy at ART initiation status (bottom).

Figure 1

Note that the y-axes range from 0.7 to 1.0. Loss to follow-up is defined as not returning ≥3 months after the last scheduled visit; thus, person-time begins accumulating at 3 months.