Table 3. Results of biological markers, CD4 cell counts, serum virus load and virus load of vaginal secretions in HIV-seropositive individuals (index case in couple and unpartnered individuals) (n = 300).
| Total | Index** | Unpartnered | P* | |
|---|---|---|---|---|
| Biological markers | n = 300 | n = 200 | n = 100 | |
| N° (%) | ||||
| CD4, cells/μl | ||||
| Below 350 | 61 (20.3) | 39 (19.5) | 22 (22.0) | 0.613 |
| 350 or more | 239 (79.7) | 161 (80.5) | 78 (78.0) | - |
| Serum viral load | ||||
| Detectable | 68 (22.7) | 44 (22.0) | 24 (24.0) | 0.697 |
| Undetectable | 232 (77.3) | 156 (78.0) | 76 (76.0) | - |
| Serum viral load in women | n = 208 | n = 140 | n = 68 | |
| Detectable | 51 (24.5) | 35 (25.0) | 16 (23.5) | 0.818 |
| Undetectable | 157 (75.5) | 105 (75.0) | 52 (76.5) | |
| Viral load of genital secretions | ||||
| Detectable | 16 (7.7) | 7 (5.0) | 9 (13.2) | 0.037 |
| Undetectable | 192 (92.3) | 133 (95.0) | 59 (86.8) | - |
| Median values and interquartile ranges: | Total | Index | Unpartnered | |
| n = 300 | n = 200 | n = 100 | ||
| CD4, cells/μl (range) | 581.5 (7–2,657) | 602.5 (41–1,658) | 553.0 (7–2,657) | 0.385 |
| Q1;Q3 | 376.5; 807.5 | 389.5; 807.5 | 370.5; 811.0 | |
| Serum viral load, number of copies/mL (range)* | 0 (0–3,116.98) | 0 (0–1,539.22) | 0 (0–3,116.98) | 0.658 |
| Q1;Q3 | 0;0 | 0;0 | 0;0 | |
| n = 208 | n = 140 | n = 68 | ||
| Serum viral load in women, number copies/mL (range)** | 0 (0–3,116.98) | 0 (0–1,539.22) | 0 (0–3,116.98) | 0.725 |
| Q1;Q3 | 0;0 | 0;0 | 0;0 | |
| Viral load of genital secretions, number of copies/mL (range)** | 0 (0–112,00) | 0 (0–112,00) | 0 (0–854,00) | 0.043 |
| Q1;Q3 | 0;0 | 0;0 | 0;0 |
* P-value obtained through the Chi-square test with Yates correction for comparison of proportions. For comparison of medians the Mann Whitney U test was used.
** HIV positive partner in a couple.