Singapore Clinical Research Institute (SCRI)

Xu Y, Cheung YB, Lam KF, Tan SH, Milligan P. A simple approach to the estimation of incidence rate difference. American Journal of Epidemiology, 2010; doi: 10.1093/aje/kwq099.

Yip PSF, David Pitt, Wu XY, Wang Y, Xu Y. Assessing the impact of suicide exclusion periods on life insurance. Crisis: The Journal of Crisis Intervention and Suicide Prevention, in press.

Yip PSF, Law CK, Fu KW, Law YW, Wong P, Xu Y. Restricting suicide means by charcoal burning: an exploratory randomized trial. British Journal of Psychiatry, 2010; 196:241-242.

Lam KF, Xu Y, Tak-Lun Cheung.  A multiple imputation approach for clustered interval-censored survival data. Statistics in Medicine, 2010; 29:680-693.

Cheung YB, Xu Y, Tan SH, Cutts F, Milligan P. Estimation of intervention effects using first or multiple episodes in clinical trials: The Andersen-Gill model re-examined. Statistics in Medicine, 2009; 29: 328-336.

Yip SF, Lam KF, Xu Y, Chao PH, Xu J, Chang WH, Peng YC, Liu ZY, Xie XQ. Reconstruction of the infection curve for SARS epidemic in Beijing, China using a back-projection method. Communications in Statistics - Simulation and Computation 2008; 37: 425-433.

Lam KF, Deshpande JV, Lau EHY, Naik-Nimbalkar UV, Yip PSF, Xu Y. A test for constant fatality rate of an emerging epidemic: with an application to severe acute respiratory syndrome. Biometrics 2008; 64: 869-876.

Yip SF, Hsieh YH, Xu Y, Lam KF, King CC, Chang HL. Assessment of intervention measures for the 2003 SARS epidemic in Taiwan by use of a back-projection method. Infection Control and Hospital Epidemiology 2007; 28: 525-530.

Paton N, Lee L, Xu Y, Ooi EE, Cheung YB, Archuleta S, Wong G, Wilder-Smith A. The CHloroquine for Influenza Prevention (CHIP) Trial: a randomised, double-blind, placebo controlled trial of chloroquine for the prevention of influenza. The Lancet Infectious Diseases 2011; 11: 677-683.

Xu Y, Yip PSF, Huggins RM. A generalized chain binomial model with aggregated data. Communications in Statistics – Theory and Methods, in press.

Xu Y, Lam KF, Zhou FF, Yip PSF, Watson R. A study of suicide risk using a Cox cure model via a retrospective sampling and multiple imputation. Communications in Statistics – Theory and Methods, in press.

Yip PSF, Watson R, Chan KS, Lau EHY, Chen F, Xu Y, Xi LQ, Cheung DYT, Ip BYT, Liu DP. Estimation of the number of people in a demonstration. Australia New Zealand Journal of Statistics, 2010; 52(1): 17-26.