High efficacy of lopinavir/r-based second-line antiretroviral treatment after 24 months of follow up at ESTHER/Calmette Hospital in Phnom Penh, Cambodia

Table 3 Viral load measures of patients on second-line regimens for more than 24 months (n = 65)^a

Viral load (copies/ml)	N	%	95% CI*	Cumulative%
<250	60	92.31	85.8 - 98.8	92.31
[250-1000]	1	1.54	0 - 4.5	93.85
[1000-10,000]	3	4.62	0 - 9.7	98.46
[10,000-30,000]	1	1.54	0 - 4.5	100.0
≥30,000	0	0.0		100.0
Total	65	100.0		100.0

^a taking into account the first viral load performed after 24 months of follow up (in practice ≥21 months of follow up) under second-line treatment. Lost-to-follow-up and dead patients (n = 5) excluded (follow up less than 24 months).
* CI: confidence interval