Prognostic value of baseline and change in neutrophil-to-lymphocyte ratio for survival in advanced non-small cell lung cancer patients with poor performance status receiving PD-1 inhibitors

Shixue Chen, Ruixin Li, Zhibo Zhang, Ziwei Huang, Pengfei Cui, Wangping Jia, Sujie Zhang, Haitao Tao, Lijie Wang, Xiaoyan Li, Jinliang Wang, Junxun Ma, Zhefeng Liu, Di Huang, Xuan Zheng, Yuichi Saito, Yoshinobu Ichiki, Yi Hu