TABLE 4.
Cumulative probability of death, of being lost to follow-up, and of attrition of 23,686 patients infected with HIV and having initiated antiretroviral therapy between September 2007 and April 2020 in 9 large-volume care sites (Conakry and Nzérékoré, Guinea. 2021).
| Follow-up time | Number of patients at risk | Cumulative incidence (95% CI) | ||
|---|---|---|---|---|
| Death | Lost to follow-up | Attrition | ||
| 6 months | 22,566 | 2.4% (2.1–2.5) | 11.6% (11.3–11.8) | 14.0% (13.5–14.78) |
| 1 year | 19,093 | 4.2% (4.0–4.4) | 19.6% (19.4–20.1.) | 23.8% (23.1–24.2) |
| 2 years | 14,244 | 5.6% (5.5–5.9) | 24.2% (23.3–24.6) | 29.8% (28.9–30.2) |
| 3 years | 11,578 | 6.8% (6.6–7.2) | 26.7% (26.5–27.3) | 33.5% (32.3–34.8) |
| 4 years | 9,108 | 7.6% (7.5–8.6) | 28.4% (28.2–29.3) | 36.0% (34.5–37.9) |
| 5 years | 7,113 | 9.4% (9.1–9.6) | 29.3% (29.10–31.2) | 38.7% (36.8–39.1) |
| 6 years | 5,691 | 10.2% (9.9–10.5) | 31.4% (30.8–31.8) | 41.6% (38.9–41.9) |
| 7 years | 4,714 | 10.4% (10.1–10.6) | 33.8% (33.3–34.3) | 44.2% (40.7–44.9) |
| 8 years | 3,828 | 10.7% (10.5–11.4) | 34.6% (34.2–35.8) | 45.3% (42.5–46.1) |
| 9 years | 2,906 | 10.9% (10.8–11.2) | 34.7% (34.6–36.1) | 45.6% (43.5–45.9) |
| 10 years | 2,315 | 11.5% (11.3–11.7) | 34.9% (33.0–36.7) | 46.4% (45.2–46.9) |
| 11 years | 1,769 | 12.0% (11.6–12.1) | 35.0% (34.5–39.8) | 47.0% (46.6–47.6) |
| 12 years | 965 | 12.2% (12.0–12.9) | 37.8% (37.2–41.6) | 50.0% (48.5–50.3) |
| 13 years | 194 | 12.7% (12.6–14.3) | 39.3% (38.9–41.1) | 52.0% (49.5–52.5) |
CI, confidence interval.