Fig. 2.

Analysis of the Bangkok Metropolitan Administration HIV-1 study: (a) the loglikelihood at the nonparametric maximum likelihood estimates plotted as a function of in the logarithmic transformations; (b) estimation of infection-free probabilities, where the upper lines correspond to a low-risk subject under the proportional hazards (solid) and proportional odds (dashed) models, and the lower lines correspond to a high-risk subject under the proportional hazards (solid) and proportional odds (dashed) models.