Fig. 3

The percentage prevalence plot of orthogonal viral load variable and the time-varying viral load variables on the CD4 multistate model [State 1(CD4 ≥ 500), State 2 (350 ≤ CD4 < 500), State 3 (CD4 < 350), State 4 (dead) and State 5 (Loss to follow-up (LTFU)]