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. 2015 May 19;19(5):529–532. doi: 10.1016/j.bjid.2015.03.005

Table 3.

Mean HIV-1 RNA plasma viral load (PVL) and CD4/8 count at baseline, pre-therapy, and 6/12 months post therapy with new drugs.

Mean SD Minimum Maximum Percentiles
25 Median 75
First evaluation (at diagnosis)
 PLV (log10) 4.73 1.16 1.00 6.99 4.09 4.88 5.56
 CD4 (cells/mm3) 276 320 4 2140 56 168 334
 CD8 (cells/mm3) 966.9 587.6 51 2556 458 854 1345



Evaluation before introduction of new drugs
PVL (log10) 3.67 1.65 1.00 6.00 2.41 4.30 4.93
CD4 (cells/mm3) 377 274 2 1300 101 242 429
CD8 (cells/mm3) 938.8 599.2 108 2839 514 784 1234



Evaluation after 6 months under new drugs regimen
 PVL (log10) 1.73 1.31 1.00 5.64 1.00 1.00 1.99
 CD4 (cells/mm3) 394.2 247.7 19 1270 212 338 530
 CD8 (cells/mm3) 1145.8 590.4 72 3018 761 1065 1375



Evaluation after 12 months under new drugs regimen
 PVL (log10) 1.81 1.44 1.00 5.29 1.00 1.00 2.54
 CD4 (cells/mm3) 448.0 272.9 2 1592 295 398 569
 CD8 (cells/mm3) 1263.6 601.0 133 2958 782 1182 1777

p < 0.05 for comparisons between CD4 and viral load at baseline (time of regimen change) and either 6 months/12 months values.