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. Author manuscript; available in PMC: 2015 Aug 18.
Published in final edited form as: AIDS. 2012 Jul 31;26(12):1491–1500. doi: 10.1097/QAD.0b013e3283550b68

Fig. 2. Estimated probability density function of the propensity scores for EFV-based HAART vs. ATA/r-based HAART, stratified by history of injection drug use.

Fig. 2

(a) No history of injection drug use; (b) history of injection drug use. ATA/r, atazanavir boosted with 400 mg/day or less of ritonavir; EFV, efavirenz; X-axis, propensity scores; Y-axis, density distribution.