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Table 3 CXCR4 and CCR5 expression in CD4+ T lymphocytes

From: In vivo effect of statins on the expression of the HIV co-receptors CCR5 and CXCR4

Parameter

Time of treatment

Placebo group (n = 43)

Lovastatin group (n = 41)

(95% CI)

(95% CI)

% CD4+/CXCR4+ T cells

Baseline

68.5 (48.2 - 90.2)

58.5 (32.0 - 87.1)

6 months post

60.0 (41.0 - 82.0)

66.4 (43.2 - 90.0)

12 months post

58.5 (33.4 - 87.5)

66.0 (40.1 - 87.0)

* EAC by treatment

1.1% (−6.3 to 8.5)

MFI CXCR4 in CD4+/CXCR4+ T cells

Baseline

157.4 (63.6 - 221.0)

118.7 (76.0 - 176.4)

6 months post

132.9 (44.4 - 195.6)

117.0 (72.1 - 200.7)

12 months post

132.1 (35.3 - 231.4)

116.1 (39.3 - 184.6)

EAC by treatment

−39.2 (−91.1 to 13.4)

% CD4+/CCR5+ T cells

Baseline

17.8 (11.6 - 34.7)

23.6 (12.0 - 64.7)

6 months post

19.2 (10.5 - 28.3)

26.0 (13.9 - 57.3)

12 months post

21.5 (9.8 - 60.0)

22.5 (10.5 - 46.0)

EAC by treatment

2.84% (−4.1 to 9.9)

MFI CCR5 in CD4+/CCR5+ T cells

Baseline

67.9 (50.0 - 94.9)

71.6 (54.1 - 90.6)

6 months post

63.0 (42.7 - 99.0)

66.2 (44.0 - 98.7)

12 months post

58.4 (33.5 - 107.3)

83.5 (42.1 - 125.5)

EAC by treatment

−5.7 (−23.9 to 12.4)

  1. CXCR4 and CCR5 expression levels were measured by flow cytometry at 0 (baseline) 6 and 12 months post treatment with lovastatin (40 mg/day) or placebo in asymptomatic HIV-1-infected patients. * EAC, Estimated average changes with (95% CI) using a GEE model as defined in Data Analysis (see Methods); MFI, Mean fluorescence intensity (in relative units).