Predictors for fatal human infections with avian H7N9 influenza, evidence from four epidemic waves in Jiangsu Province, Eastern China, 2013-2016.

ABSTRACT:

Background

Four epidemic waves of human infection with H7N9 have been recorded in China up to 1 June 2016, including in Jiangsu Province. However, few studies have investigated the differences in patients' characteristics among the four epidemic waves, and the analyses of factors associated with fatal infection lacked statistical power in previous studies due to limited sample size.

Methods

All laboratory-confirmed A(H7N9) patients in Jiangsu province were analysed. Patients' characteristics were compared across four waves and between survivors and those who died. Multivariate analyses were used to identify independent predictors of death.

Results

Significant differences were found in the lengths of several time intervals (from onset of disease to laboratory confirmat

SUBMITTER: Ma W 

PROVIDER: S-EPMC5596522 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature