Prevalence of post-traumatic stress disorder after earthquakes among the elderly in China: A meta-analysis

Yong Liang, Hong Zeng, Yu-geng Liu, Ai-min Xu, Wen-hong Liu

Table 2 Results of QUADAS-2 quality assessment for each study

Study Risk of bias Concern of applicability Patient Index test Reference standard Flow and time Overall Patient Index test Reference standard Overall Chen et al[17] Yes ? Yes Yes Low Yes Yes Yes Low Chen et al[18] ? No Yes Yes Low Yes Yes Yes Low Xiao et al[19] Yes No Yes No High Yes Yes Yes Low Fan et al[20] Yes No Yes ? Low Yes Yes Yes Low Fan et al[21] ? ? Yes Yes Low Yes Yes Yes Low He et al[22] Yes ? Yes Yes Low Yes Yes Yes Low Jia et al[23] Yes Yes No No High Yes Yes Yes Low Kang et al[24] Yes Yes No Yes Low Yes Yes Yes Low Kun et al[25] Yes Yes Yes No Low Yes Yes Yes Low Zhang et al[26] Yes Yes No Yes Low Yes Yes Yes Low