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Most recent viral load by occurrence of (A) combined event (death, medical event, grade III/IV laboratory event, HIV viral load >1000 copies/mL at month 18 or the last study visit, or loss to retention) (B, death, C, medical event, and D, loss to retention) cumulatively up to month 6, 12, and 18. Bonferroni-corrected P values calculated using the Mann-Whitney U test. Abbreviations: HIV-1, human immunodeficiency virus type 1; M6, month 6; M12, month 12; M18, month 18.
