James X Song
Affiliation: Bayer HealthCare
- An evaluation of methods for the stratified analysis of clustered binary data in community intervention trialsJames X Song
Department of Biometry, Pharmaceutical Division, Bayer Corporation, 400 Morgan Lane, West Haven, CT 06516, USA
Stat Med 22:2205-16. 2003..1 and N < or = 12. When rho < or = 0.01, we recommend the use of chi(2) (RS) and chi(2) (GLMM) since they have better overall performance in terms of empirical significance levels and empirical power levels...
- Sample size for K 2x2 tables in equivalence studies using Cochran's statisticJames X Song
Global Biometry, Bayer Pharmaceuticals Corporation, West Haven, Connecticut, USA
Control Clin Trials 24:378-89. 2003..The new method provides greater savings as the variability of success rates among centers increases...
- Inference methods for saturated models in longitudinal clinical trials with incomplete binary dataJames X Song
Global Biometry, Bayer HealthCare, Pharma Division, West Haven, CT 06460, USA
Pharm Stat 5:295-304. 2006..Both methods provide unbiased estimates when the missingness mechanism is missing at random (MAR) assumption. Sensitivity analyses have been performed for cases when the MAR assumption is in question...
- Subject ordered pointing task performance following severe traumatic brain injury in adultsGerri Hanten
Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas 77030, USA
Brain Inj 17:871-82. 2003..It was concluded that the subject ordered pointing task is useful in identifying memory deficits in persons with brain injury...