Supplementary information from Prognostic Impact of Cigarette Smoking on the Survival of Patients with Established Nasopharyngeal Carcinoma

Authors :: Fang-Yun Xie
Wuguo Deng
Qing Liu
Xue-Xia Liang
Yan-Ping Mao
Zhen Su
Pu-Yun OuYang
Publication Year :: 2023
Publisher :: American Association for Cancer Research (AACR), 2023.
Abstract: The process and result of exploring the two continuous variables - AGE and PACK-YEARS - using restricted cubic splines nested within Cox models by RCS-macro of SAS (SAS Institute, Cary, NC).

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