Clinical characteristics and laboratory findings on admission of fatal (n = 9) and nonfatal (n = 19) cases with novel avian influenza A (H7N9) virus infections, Jiangsu province, Eastern China, 2013.

*Data are % (n/N), NA: not available,aFisher's exact test was used.* 数据以百分比（n/N）形式呈现，NA表示不可用（not available），采用费希尔精确检验（Fisher's exact test）。