Table 3.
Brain imaging cohort characteristics stratified by cognitive status
| Cohort Characteristics | Overall (N = 18) Median [IQR] or n (%) | NI / NPI-O (N=7) Median [IQR] or n (%) | HAND (N=11) Median [IQR] or n (%) | p value |
|---|---|---|---|---|
| Age(yr) | 56 [52, 59] | 56 [53, 62] | 56 [51, 59] | 0.78 |
| Gender | 0.62 | |||
| Female | 14 (77.8%) | 5 (71.4%) | 9 (81.8%) | |
| Male | 4 (22.2%) | 2 (28.6%) | 2 (18.2%) | |
| Race | 0.31 | |||
| Black | 7 (38.9%) | 2 (28.6%) | 5 (45.5%) | |
| Hispanic | 6 (32.3%) | 2 (28.6%) | 3 (36.4%) | |
| White | 5 (27.8%) | 3 (42.9%) | 2 (18.2%) | |
| Years from HIV diagnosis | 24 [15, 30] | 24 [15, 30] | 23 [16, 26] | 0.84 |
| cART | 18 (100.0%) | 7 (100.0%) | 11 (100.0%) | >0.99 |
| Years from starting cART | 17 [0, 23] | 18 [15, 23] | 15 [14, 21] | 0.19 |
| Years between HIVdiagnosis and starting cART | 4 [0, 21] | 6 [0, 10] | 2 [1, 15] | 0.52 |
| CD4 T cell count (cells/ul) | 662 [399, 922] | 660 [399, 947] | 702 [294, 922] | 0.96 |
| Nadir CD4 T cell count (cells/ul) | 63 [8, 225] | 12 [2, 77] | 114 [10, 387] | 0.09 |
| Plasma viral load (log10 copies/ml) | 1.3 [1.3, 1.8] | 1.3 [1.3, 1.6] | 1.3 [1.3, 2.0] | 0.73 |
| viral load undetectable | 10 (55.6%) | 4 (57.1%) | 6 (54.5%) | 0.92 |