Statistical methods
The data were analyzed by SPSS 20.0. Quantitative variables were expressed as mean (standard deviation) when following a Gaussian distribution or median (interquartile range 25~75%) otherwise. Qualitative variables were expressed as frequencies. Data was tested for normality using the Shapiro-Wilk Normality Test.
Results
A total of 1473 replies (92.1%) were analyzed. General characteristics of respondents and their emergency departments are described in table 1. The admissions for CA patients between 11-30 cases per year were reported by 38.4% respondents. But less than 5% CA survivors with good neurological outcome at discharge was reported by 40.3% respondents.