Objective To investigate the relationship betw een some of hematological factors and the prognosis of amyotrophic lateral sclerosis( ALS),and search for hematology markers w hich could predict the prognosis of patients w ith ALS. Methods The retrospective study included 116 patients w ith ALS from the Qilu Hospital of Shandong University during January 2007 to December 2012. Their clinical data and routine hematological parameters w ere collected. Survival of patients w as calculated by using the Kaplan-M e...