[1] Buzby G P, Mullen J L, Matthews D C, et al. Prognostic nutritional index in gastrointestinal surgery [J]. American journal of surgery, 1980, 139(1): 160-167.
[2] Murakami Y, Saito H, Kono Y, et al. Combined analysis of the preoperative and postoperative prognostic nutritional index offers a precise predictor of the prognosis of patients with gastric cancer [J]. Surgery today, 2018, 48(4): 395-403.
[3] Oh C A, Kim D H, Oh S J, et al. Nutritional risk index as a predictor of postoperative wound complications after gastrectomy [J]. World journal of gastroenterology, 2012, 18(7): 673-678.
[4] Nozoe T, Kimura Y, Ishida M, et al. Correlation of pre-operative nutritional condition with post-operative complications in surgical treatment for oesophageal carcinoma [J]. European journal of surgical oncology: the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 2002, 28(4): 396-400.
[5] Watanabe M, Iwatsuki M, Iwagami S, et al. Prognostic nutritional index predicts outcomes of gastrectomy in the elderly [J]. World journal of surgery, 2012, 36(7): 1632-1639.
[6] Jang H J, Song J W, Cho S, et al. Prognostic Implications of Postoperative Infectious Complications in Non-Small Cell Lung Cancer [J]. The Korean journal of thoracic and cardiovascular surgery, 2018, 51(1): 41-52.
[7] Vlatka P, Lada Z, Ana K, et al. Prognostic nutritional index as a predictor of prognosis in patients with diffuse large B cell lymphoma [J]. Wiener klinische Wochenschrift, 2017, 129(11-12):
[8] Chen K L, Liu Y H, Li W Y, et al. The prognostic nutritional index predicts survival for patients with extranodal natural killer/T cell lymphoma, nasal type [J]. Annals of hematology, 2015, 94(8): 1389-1400.
[9] Wu X, Zhao M, Pan B, et al. Complete blood count reference intervals for healthy Han Chinese adults [J]. PloS one, 2015, 10(3): e0119669.
[10] Hoaglin D C, Iglewicz B. Fine-Tuning Some Resistant Rules for Outlier Labeling [J]. Journal of the American Statistical Association, 1987, 82(400): 1147-1149.
[11] Lahti A, Petersen P H, Boyd J C, et al. Partitioning of nongaussian-distributed biochemical reference data into subgroups [J]. Clin Chem, 2004, 50(5): 891-900.
[12] Ginestet C. ggplot2: Elegant Graphics for Data Analysis [J]. Journal of the Royal Statistical Society: Series A (Statistics in Society), 2011, 174(1):
[13] McCudden C R, Brooks J, Figurado P, et al. Cerebrospinal Fluid Total Protein Reference Intervals Derived from 20 Years of Patient Data [J]. Clin Chem, 2017, 63(12): 1856-1865.
[14] Okada S, Shimada J, Teramukai S, et al. Risk Stratification According to the Prognostic Nutritional Index for Predicting Postoperative Complications After Lung Cancer Surgery [J]. Annals of surgical oncology, 2018, 25(5): 1254-1261.
[15] Leedo E, Gade J, Granov S, et al. The Effect of a Home Delivery Meal Service of Energy- and Protein-Rich Meals on Quality of Life in Malnourished Outpatients Suffering from Lung Cancer: A Randomized Controlled Trial [J]. Nutrition and cancer, 2017, 69(3): 444-453.
[16] Kiss N. Nutrition support and dietary interventions for patients with lung cancer: current insights [J]. Lung Cancer (Auckland, NZ), 2016, 7(1-9.
[17] Mohan A, Poulose R, Kulshreshtha I, et al. High prevalence of malnutrition and deranged relationship between energy demands and food intake in advanced non-small cell lung cancer [J]. European journal of cancer care, 2017, 26(4):
[18] Yasuhiko M, Yasuhiro I, Koji T, et al. Prognostic nutritional index predicts postoperative outcome in colorectal cancer [J]. World journal of surgery, 2013, 37(11):
[19] Inoue M, Okada S. Correspondence regarding "Is the prognostic nutritional index (PNI) a useful predictive marker for postoperative complications after lung surgery?" by Dr. X Li and J Chen [J]. Journal of thoracic disease, 2019, 11(Suppl 3): S472-s473.
[20] Li X, Chen J. Is the prognostic nutritional index (PNI) a useful predictive marker for postoperative complications after lung surgery? [J]. Journal of thoracic disease, 2019, 11(Suppl 3): S334-s336.
[21] Gao J, Wang Y, Li F, et al. Prognostic Nutritional Index and Neutrophil-to-Lymphocyte Ratio Are Respectively Associated with Prognosis of Gastric Cancer with Liver Metastasis Undergoing and without Hepatectomy [J]. BioMed research international, 2019, 2019(4213623)