Although seasonal variation in tuberculosis (TB) incidence has been described in many countries, it remains unknown in China.A time series decomposition analysis (X-12-ARIMA) was performed to examine the seasonal variation in active TB cases nationwide from 2005 through 2012 in China. Seasonal amplitude was calculated for the evaluation of TB seasonal variation.A total of 7.78 million active TB cases were reported over a period of 8 years. A spring peak (April) was observed with seasonal amplitude of 46.3
作者：Xin-Xu, Li；Li-Xia, Wang；Hui, Zhang；Xin, Du；Shi-Wen, Jiang；Tao, Shen；Yan-Ping, Zhang；Guang, Zeng
来源：PloS one 2013 年 8卷 7期
