Fig. 2

Overall survival curves in patients grouped by (a) controlling nutritional status (CONUT) score, (b) American Society of Anesthesiologists Physical Status classification (ASA-PS), (c) Charlson Comorbidity Index (CCI), (d) National Institute on Aging and National Cancer Institute Comorbidity Index (NIA/NCI), and (e) Adult Comorbidity Evaluation-27 (ACE-27)