在倖存分析，乘法模式一向被大家接受與廣泛的使用，然而因為繼起的加法模式在許多應用上比乘法模式來的合適，加法模式也越來越受到大家的注目。變數資料遺失是一個蒐集資料時常面臨的情況，如何在變數遺失且資料為右設限下討論回歸參數的一般估計量和它的漸近性質成為一急需解決的問題，在乘法模式下已有大批文獻探討，在加法模式下則尚未有一個很好的解決方法，有鑑於此，我們模仿王清雲等在１９９７年提出的回歸校正法，冀其在加法模式之下也有很好的表現。我們也將討論其漸近性質，並提供模擬結果以供參考。

Andersen, P. K. and Gill, R. D. (1982). Cox’s regression model for counting process: a large sample study. The Annals of Statistics 10, 1100-1120.
Bartle, R. G.. (1966) The Elements of Integration. Wiley, New York.
Breslow, N. E. and Day,N. E. (1987). Statistical Methods in Cancer Research, 2, The Design and Analysis of Cohort Studies. Lyon: IARC.
Chang, D. S. and Liu, S. H. (2002). Additive risk model with missing covariates. Technical Report of Institute of Statistics, National Tsing Hua University.
Chen, H. Y. and Little, R. J.A. (1999). Proportional hazards regression with missing covariates. Journal of the American Statistical Association, 94, 896-908.
Cox, D.R. (1972). Regression models and life tables (with discussion). Journal of the Royal Statistical Society, Series B 34, 187-220.
Cox, D.R. and Oakes, D. (1984). Analysis of Survival Data. London: Chapman & Hall.
Lin, D. Y. and Ying, Z. (1993). Cox regression with incomplete covariate measurements. Journal of the American Statistical Association 88,1341-1349.
Lin, D. Y. and Ying, Z. (1994). Semiparametric Analysis of the Additive Risk Model. Biometrika, Voluyme 81, Issue 1, 61-71.
Pepe, M. S., Self, S.G., and Prentice,R.L. (1989). Further results on covariate measurement errors in cohort studies with time to response data. Statistics in Medicine 8, 1167-1178.
Prentice, R. L. (1986). A case-cohort design for epidemiologic cohort studies and disease prevention trial. Biometrika 73, 1-11.
Thomas, D. C. (1986). Use of auxiliary information in fitting nonproportional hazards models. In Modern Statistical Methods in Chronic Disease Epidemiology, Ed. S. H. Moolgavkar and R.L.
Prentice, pp. 197-210. New York: Wiley.
Wang, C. Y. and Chen, H. Y. (2001). Augmented inverse probability estimator for Cox missing covariate regression. Biometrics 57, 414-419.
Wang, C. Y., Hsu, L., Feng, Z. D., Prentice, R. L.(1997) Regression calibration in failure time regression. Biometrics 53, 131-145.
Zhou, H. and Pepe, M. S. (1995). Auxiliary covariate data in failure time regression analysis. Biometrika 82,139-149.
Zhou, H. and Wang, C. Y. (2000). Failure time regression with continuous covariates measured with error. J. R. Statistical. Soc. B 62, Part 4, 657-665.