Table 1.
Selected Characteristics of 7,534 HIV-Positive Women Initiating Highly Active Antiretroviral Therapy in Johannesburg, South Africa, From April 1, 2004, to March 31, 2011, at Baseline and Over Follow-upa
| Characteristic | Subjects (n = 7,534) |
Person-Years (n = 16,616) |
||||
|---|---|---|---|---|---|---|
| Median (IQRb) | No. | % | Median (IQR) | No. | % | |
| Follow-up time, years | 20 (9–42) | |||||
| Deaths | 562 | 7.5 | ||||
| Age, years | 33 (29–38) | 35 (31–40) | ||||
| Body mass indexc | 22.2 (19.4–25.7) | 24.5 (21.6–28.2) | ||||
| CD4 count, cells/mm3 | 95 (36–165) | 298 (176–448) | ||||
| Viral load, copies/mLd | ||||||
| ≤1,000 | 39 | 2.7 | 22,655 | 88.2 | ||
| 1,001–10,000 | 239 | 16.5 | 1,087 | 4.2 | ||
| >10,000 | 1,167 | 80.8 | 1,957 | 7.6 | ||
Abbreviations: HIV, human immunodeficiency virus; IQR, interquartile range.
a Figures for “over follow-up” include baseline observations.
b 25th–75th percentiles.
c Weight (kg)/height (m)2.
d At baseline, 81% of patients were missing data on viral load, and all those with a viral load of <400 copies/mL were excluded as likely treatment-experienced. During follow-up, we assessed viral load only when a viral load measurement was taken.