TABLE 1.
Mean, median, and 10th and 90th percentile differences for absolute CD4+ and CD8+ T cells as determined by FACSCount and Guava EasyCD4 methods among control subjects and three CDC categories of HIV-infected patients
| Group | n | Mean, median, or percentile | Value determined for the indicated cells by:
|
|||
|---|---|---|---|---|---|---|
| FACSCount
|
Guava EasyCD4
|
|||||
| CD4+ cells/μl | CD8+ cells/μl | CD4+ cells/μl | CD8+ cells/μl | |||
| Healthy individuals | 21 | Mean | 913 | 844 | 946 | 758 |
| 10th Percentile | 716 | 529 | 760 | 507 | ||
| 90th Percentile | 1,149 | 1,235 | 1,215 | 1,042 | ||
| Median | 866 | 827 | 884 | 689 | ||
| HIV-infected individuals | ||||||
| CDC category 1 | 7 | Mean | 774 | 1,553 | 819 | 1,545 |
| 10th Percentile | 576 | 1,030 | 640 | 981 | ||
| 90th Percentile | 989 | 2,001 | 1,036 | 2,100 | ||
| Median | 803 | 1,489 | 824 | 1,405 | ||
| CDC category 2 | 24 | Mean | 320 | 1,174 | 347 | 1,118 |
| 10th Percentile | 232 | 584 | 258 | 546 | ||
| 90th Percentile | 446 | 1,803 | 471 | 1,666 | ||
| Median | 287 | 1,086 | 324 | 966 | ||
| CDC category 3 | 20 | Mean | 86 | 682 | 92 | 603 |
| 10th Percentile | 49 | 204 | 30 | 190 | ||
| 90th Percentile | 164 | 1,200 | 162 | 1,026 | ||
| Median | 63 | 605 | 77 | 564 | ||
| All study volunteers | 72 | Mean | 472 | 978 | 497 | 911 |
| 10th Percentile | 57 | 429 | 62 | 403 | ||
| 90th Percentile | 977 | 1,743 | 984 | 1,586 | ||
| Median | 352 | 918 | 350 | 819 | ||