Table 3.
Duration of ART | Number of Events | Person Years | Crude Incidence Rate per 100 PY (95% CI) | Age-Adjusted Incidence Rate per 100 PY (95% CI) |
---|---|---|---|---|
No ART | 64 | 7298.7 | 0.88 (.66–1.10) | 0.95 (.71–1.18) |
Less than 2 y | 192 | 5002.1 | 3.83 (3.29–4.37) | 3.84 (3.30–4.38) |
2–5 y | 193 | 6932.0 | 2.78 (2.39–3.17) | 2.72 (2.34–3.10) |
More than 5 y | 307 | 2723.3 | 11.27 (10.01–12.53) | 11.16 (9.91–12.41) |
Duration of follow-up | ||||
Less than 2 y | 194 | 5866.3 | 3.31 (2.84–3.78) | 3.37 (2.90–3.84) |
2–5 y | 189 | 8105.8 | 2.33 (2.00–2.67) | 2.35 (2.01–2.69) |
More than 5 y | 373 | 7984.0 | 4.67 (4.20–5.14) | 4.62 (4.15–5.09) |
Abbreviations: ART, antiretroviral therapy; CI, confidence interval; PY, person years.