We consider a general proportional odds model for survival data under binary treatment, where the functional form of the covariates is left unspecified. We derive the efficient score for the conditional survival odds ratio given the covariates using modern semiparametric theory. The efficient score may be useful in the development of doubly robust estimators, although computational challenges remain.

翻译：我们考虑在二值处理下生存数据的一般比例优势模型，其中协变量的函数形式未作具体设定。利用现代半参数理论，我们推导了给定协变量时条件生存优势比的有效得分。该有效得分可能有助于开发双重稳健估计量，尽管计算方面仍存在挑战。