Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Donald M. Tong"'
Publikováno v:
Contraception. 60:201-208
A new contraceptive option, medroxyprogesterone acetate (MPA) and estradiol cypionate (E2C) (MPA/E2C, Lunelle Monthly Contraceptive Injection), will soon be available for women in the US. This article reports the results of a US trial that assessed t
Publikováno v:
Contraception. 59:227-231
To estimate the frequency and the medical and nonmedical reasons for discontinuation of oral contraceptive (OC), intrauterine device (IUD), and injectable depot medroxyprogesterone acetate (DMPA) use, data from a cohort of experienced contraceptive u
Autor:
Donald M. Tong, Christy Chuang-Stein
Publikováno v:
Statistical Methods in Medical Research. 6:115-128
We have examined the regression effect and its magnitude under the Gaussian distributional assumption. The impact and implication of regression to the mean on the analysis of medical investigations was discussed. For simplicity, we called the approac
Autor:
Christy Chuang-Stein, Donald M. Tong
Publikováno v:
Drug Information Journal. 30:421-424
This paper examines the meaning of the so-called main-effect term in a logistic model that contains an interaction term involving the main-effect factor. The interpretation of the main-effect term is given in conjunction with the parameterization use
Multiple comparisons procedures for comparing several treatments with a control based on binary data
Autor:
Donald M. Tong, Christy Chuang-Stein
Publikováno v:
Statistics in medicine. 14(23)
In this paper, we examine three approaches for comparing several treatments with a control with use of binary response data. The first approach relies on asymptotic theory applied to the Freeman-Tukey transformation of the observed proportions. The s
Publikováno v:
Journal of pharmaceutical sciences. 84(12)
A comprehensive model is developed to describe the swelling/dissolution behaviors and drug release from hydrophilic matrices. The major thrust of this model is to employ an important physical property of the polymer, the polymer disentanglement conce