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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Biometrika. 2014 Aug 4;101(3):613–624. doi: 10.1093/biomet/asu022

Table 4.

Estimates of mean CD4 counts at 96 weeks: the proposed estimator μ̂δ, μ̂Y, and μ̂d, the inverse propensity weighting estimator μ̂ipw, the regression estimator μ̂reg, and the augmented inverse propensity weighting estimator μ̂aipw.

μ̂δ μ̂Y μ̂d μ̂reg μ̂ipw μ̂aipw
Estimate 322.7 323.3 323.0 322.4 680.6 328.5
SD 8.6 8.8 8.8 8.4 33.2 8.9