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A novel prognostic marker in patients with non-small cell lung cancer: musculo-immuno-nutritional score calculated by controlling nutritional status and creatine kinase

  
@article{JTD27026,
	author = {Shinkichi Takamori and Gouji Toyokawa and Mototsugu Shimokawa and Fumihiko Kinoshita and Yuka Kozuma and Taichi Matsubara and Naoki Haratake and Takaki Akamine and Fumihiko Hirai and Tetsuzo Tagawa and Yoshinao Oda and Yoshihiko Maehara},
	title = {A novel prognostic marker in patients with non-small cell lung cancer: musculo-immuno-nutritional score calculated by controlling nutritional status and creatine kinase},
	journal = {Journal of Thoracic Disease},
	volume = {11},
	number = {3},
	year = {2019},
	keywords = {},
	abstract = {Background: Controlling nutritional status (CONUT) and skeletal muscle area (SMA) are both useful prognostic factors in patients with non-small cell lung cancer (NSCLC). We hypothesized that low serum creatine kinase (CK) would be a surrogate of decreased SMA, and defined a novel prognostic factor, CONUT/CK score (CNKS). The aim of this study was to elucidate the clinical significance of CNKS in NSCLC patients.
Methods: One hundred and eighty-nine patients who underwent surgical resection of NSCLC and whose preoperative computed tomography images were available were enrolled. The CNKS was calculated by summing CONUT score and CK score, which was defined as 0 if the CK concentration is within normal range, and 2 if it is under lower limit. The optimal cut-off values of CNKS and CONUT score were 4 and 2, respectively.
Results: Low CK was significantly associated with decreased SMA (P=0.012). The high CNKS group was significantly associated with men and smoking history (P=0.006 and P=0.015, respectively). The high CNKS group had significantly shorter overall survival (OS) and disease-free survival (DFS) (P},
	issn = {2077-6624},	url = {http://jtd.amegroups.com/article/view/27026}
}