d4T plus RTV group Number with a mutation | ZDV plus 3TC plus RTV group Number with a mutation | ||||
---|---|---|---|---|---|
Baseline resistance mutation codons | RNA > 400 at week 12 (N = 19) | RNA ≤ 400 at week 12 (N = 26) | RNA > 400 at week 12 (N = 22) | RNA ≤ 400 at week 12 (N = 25) | Total number (%) with a resistance mutation at baseline (N = 92 children) |
NRTI resistance mutationsa | |||||
215 | 14 | 19 | 9b | 19b | 61 (66) |
41 | 8 | 11 | 6 | 14 | 39 (42) |
67 | 4 | 13 | 6 | 11 | 34 (37) |
210 | 4 | 12 | 4 | 10 | 30 (33) |
70 | 4 | 10 | 6 | 9 | 29 (32) |
69 | 4 | 4 | 5 | 7 | 20 (22) |
118 | 2 | 7 | 5 | 5 | 19 (21) |
219 | 3 | 8 | 3 | 5 | 19 (21) |
74 | 2 | 6 | 1 | 4 | 13 (14) |
184 | 2 | 1 | 1 | 1 | 5 (5) |
44 | 0 | 2 | 0 | 2 | 4 (4) |
151 | 0 | 0 | 0 | 2 | 2 (2) |
65 | 0 | 1 | 0 | 0 | 1 (1) |
75 | 0 | 1 | 0 | 0 | 1 (1) |
116 | 0 | 0 | 0 | 1 | 1 (1) |
Any NRTI | 16 | 23 | 15 | 23 | 77 (84) |
Any PI or NRTI | 19 | 25 | 21 | 25 | 90 (98) |