’ s response to reviews Title : High hemoglobin is associated with increased in-hospital death in patients with chronic obstructive pulmonary disease and chronic kidney disease : A retrospective multicenter population-based study

Title: High hemoglobin is associated with increased in-hospital death in patients with chronic obstructive pulmonary disease and chronic kidney disease: A retrospective multicenter population-based study Authors: Yuanhan Chen (johnchen76@126.com) Libin Xu (nmgxulibin@sina.com) Zhen Xie (xiezhen6289@126.com) Qiang He (strong_ng_ng_he@163.com) Shixin Chen (stacey_ey_ey_c@163.com) Wenji Wang (codein2004@126.com) Guohui Liu (liuguohui5@126.com) Yuanjiang Liao (78743099@qq.com) Chen Lu (luchen706@163.com) Li Hao (lihaodoc@126.com) Jin Sun (sunjing1165@163.com) Wei Shi (shiweigz@126.com) Xinling Liang (xinlingliang_ggh@163.com) Version: 1 Date: 26 Apr 2019 Author’s response to reviews: Dear editor,