Table 3.
Risk of ART initiation by 2 years, and subdistribution hazard ratios comparing ART initiation between calendar time periods, among 19,506 patients who entered HIV care at one of 15 Central Africa IeDEA sites between 1 January 2006 and 31 December 2017
| Approach | 2-year risk, % | 95% CI | Subdistribution hazard ratio | 95% CI |
|---|---|---|---|---|
| Censoring at loss to follow-up | ||||
| Overall | 68 | 68, 69 | ||
| 2006 – 2009 | 56 | 55, 58 | 1 | |
| 2010 – 2014 | 72 | 71, 73 | 1.4 | 1.4, 1.5 |
| 2015 – 2017 | 94 | 93, 95 | 4.1 | 3.9, 4.4 |
| Treating loss to follow-up as a competing event | ||||
| Overall | 59 | 59, 60.0 | ||
| 2006 – 2009 | 44 | 43, 45 | 1 | |
| 2010 – 2014 | 65 | 64, 66 | 1.8 | 1.6, 1.7 |
| 2015 – 2017 | 92 | 91, 93 | 4.8 | 4.5, 5.1 |
| Accounting for loss to follow-up using the proposed approach | ||||
| Overall | 62 | 61, 62 | ||
| 2006 – 2009 | 47 | 46, 48 | 1 | |
| 2010 – 2014 | 67 | 66, 68 | 1.6 | 1.5, 1.7 |
| 2015 – 2017 | 93 | 92, 94 | 4.8 | 4.5, 5.1 |
CI: Confidence interval