Table 3.

Distribution of the CNS penetration effectiveness (CPE) score by number of ARVs in the regimen, total visits=10,413

	Number of ARVs in Regimen
CPE Score	Overall N=10,413	ARVs ≤3 N=7367	ARVs >3 N=3046
0 – 0.5	323 (3%)	319 (4%)	4 (<1%)
1	1,862 (18%)	1,629 (22%)	233 (8%)
1.5	2,048 (20%)	1,787 (24%)	261 (9%)
2	3,412 (33%)	2,753 (37%)	659 (22%)
2.5	1,458 (14%)	864 (12%)	594 (20%)
3	1,052 (10%)	15 (0%)	1,037 (34%)
3.5	241 (2%)	0 (0%)	241 (8%)
4 – 4.5	17 (<1%)	0 (0%)	17 (1%)
Median	2	1.5	2.5
Q1, Q3	1.5, 2.5	1, 2	2, 3