Urinary Creatinine Concentrations and Its Explanatory Variables in General Chinese Population: Implications for Creatinine Limits and Creatinine Adjustment.

Objective: The study aimed to analyze the applicability of the World Health Organization's exclusionary guidelines for Urinary creatinine (Ucr) in the general Chinese population, and to identify Ucr related factors.

Methods: We conduct a cross-sectional study using baseline data from 21,167 participants in the China National Human Biomonitoring Program. Mixed linear models and restricted cubic splines (RCS) were used to analyze the associations between explanatory variables and Ucr concentration.

[Case-control study on the relationship between varicella vaccine inoculation and varicella morbidity].

Objective: To analyse and find out the influence of varicella vaccine inoculation to varicella morbidity.

Methods: The case-control study was conducted. During October 1st 2006 to July 31st 2007, 193 varicella cases were identified, and 342 control subjects were matched.