of marginal significancep = 0.078
Stratification based on the baseline CD4 + T-cell counts revealed an effect of marginal significance on the efficacy of TDF-containing regimens [Q(1) = 3.095, p = 0.078, 200 or more cells/μl vs. fewer than 200 cells/μl: 0.039 95% CI: 0.015–0.098 vs. 0.094 95% CI (0.026–0.218)].