Table 5.
Laboratory Characteristics of Patients Meeting Virologic and/or Immunologic Failure Definitions
| Failure definition | Median (IQR) | % |
| Virologic failurea | ||
| Average of 2 consecutive VLs at failure (copies/mL) | 20 630 (5646–77 854) | |
| Immunologic failure | ||
| Median CD4 at failure (cells/mm3) | 162 (93–245) | |
| CD4 >200 at immunologic failure | 38.5 | |
| VL at or after 6 months of immunologic failure | ||
| VL ≤400 copies/mL | 48.0 | |
| VL >400 copies/mL | 51.7 | |
| Unknown VL at or after immunologic failure | 0.2 |
Abbreviations: IQR, interquartile range; VL, viral load.
a
Virologic failure refers to protocol-defined virologic failure (2 consecutive VL measurements >1000 copies/mL).