General characteristics of study groups.
datasetposted on 2013-05-22, 10:43 authored by Lei Zhou, Sujian Situ, Ting Huang, Shixiong Hu, Xianjun Wang, Xiaoping Zhu, Lidong Gao, Zhong Li, Ao Feng, Hui Jin, Shiyuan Wang, Qiru Su, Zhen Xu, Zijian Feng
IQR: interquartile range.*
Statistical significant difference (p<0.05) was observed among three age groups using chi-square test;†
Statistical significant difference (p<0.05) was observed among three age groups using Kruskal-Wallis test;‡
High risk group: Patients with underlying medical conditions; low risk group: patients without underlying medical conditions;§
Only one case, thus no IQR applicable.