Mean, 95% CI, median, and IQR of the Future Drug Options scores, by trial arm.

aFDO calculated using the following ARV drugs: nevirapine, efavirenz, delavirdine, etravirine; abacavir, didanosine, emtricitabine/lamivudine, stavudine, tenofovir, zidovudine; nelfinavir, indinavir, ritonavir, lopinavir. saquinavir, atazanavir, fosamprenavir, darunavir, tipranavir.bp-Value from Wilcoxon Mann-Whitney test.cFDO score 1: FDO-1 is calculated as the number of drug classes with one or more drug to which the virus was susceptible (NC) with extra credit (0.3) for full susceptibility in NRTI or PI classes.dFDO score 2: FDO-2 is calculated as NC + the number of drugs to which the virus was susceptible (ND) divided by the total number (19) of drugs available + 1, i.e., NC+(ND/20).