Figures 4a and b.
Inverse probability weighted Kaplan-Meier curves for the time to myocardial infarction event among HIV-positive persons (identified by ICD-9 code and antiretroviral use in administrative claim) initiating protease inhibitors or non-nucleoside reverse transcriptase inhibitors (NNRTI) A. atazanavir alone or in combination with ritonavir compared with non-nucleoside reverse transcriptase inhibitors (efavirenz or nevirapine) B. lopinavir-ritonavir compared with non-nucleoside reverse transcriptase inhibitors (efavirenz or nevirapine). Note: axes focused on 90% to 100% surviving.