Risk factors associated with AZT-induced anemia requiring AZT discontinuation.

<p>HR: Hazard ratio, aHR: adjusted hazard ratio, AZT: zidovudine, D4T: stavudine</p><p>Additional co-variates included in univariate analysis but not retained in multivariate analysis are described in the <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0060206#s2" target="_blank">Methods</a>.</p

Cumulative incidence of AZT-related anemia requiring AZT-discontinuation over 1 year of AZT use.

<p>Cumulative incidence of AZT-related anemia requiring AZT-discontinuation over 1 year of AZT use.</p

Hemoglobin change over the time of patients on AZT.

<p>AZT: zidovudine</p>*<p>No anemia: these patients discontinued AZT due to a drop in hemoglobin of>25%</p