BMJ Open

Association of prior history of suicide attempt and disease severity and subsequent suicidal acts among patients with psychiatric disorders in North China: a multicentre ...

Introduction The suicide risk among discharged psychiatric patients is substantially higher than that among patients with physical diseases and the general population. In China, few cohort studies ...
Frontiers

The relationship between prognostic nutritional index and its components (albumin and lymphocyte count) and all-cause mortality in lung cancer patients: a hospital-based study ...

1 The Second Clinical Medical College, Lanzhou University, Lanzhou, China 2 Department of Thoracic Surgery, Lanzhou University Second Hospital, Lanzhou, Gansu, China Objective: This study aimed to ...
Scientific Research Publishing

Kaplan, E. L., & Meier, P. (1958). Nonparametric Estimation from Incomplete Observations. Journal of the American Statistical Association, 53, 457-481.

ABSTRACT: This study uses data from the Panel Study of Income Dynamics (PSID). Two traditional measures of asset poverty (net worth equal to 3 months at the poverty line; 3 months of annual income), ...
IEEE

Kaplan-Meier Bivariate Survival and Cox Copula Regression : A Case Study on Cataract Patients at Undaan Hospital

Abstract: This study investigates the dependence between the timing of cataract surgeries in both eyes using a copula-based bivariate Cox regression model. A total of 520 patients with bilateral ...