The Eastern Cooperative Oncology Group Performance Status as a prognostic factor of stage I–III colorectal cancer surgery for elderly patients: a multi-institutional retrospective analysis

[1] Ghignone F(2020)Functional recovery in senior adults undergoing surgery for colorectal cancer: Assessment tools and strategies to preserve functional status Eur J Surg Oncol 46 387-393

[2] Hernandez P(2015)How to select elderly colorectal cancer patients for surgery: a pilot study in an Italian academic medical center Cancer Biol Med 12 302-307

[3] Mahmoud NN(2014)Quality control by photo documentation for evaluation of laparoscopic and open colectomy with D3 resection for stage II/III colorectal cancer: Japan Clinical Oncology Group Study JCOG 0404 Jpn J Clin Oncol 44 799-806

[4] Ugolini G(2020)The Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2019 for the treatment of colorectal cancer Int J Clin Oncol 25 1-42

[5] Ugolini G(2013)Investigation of the freely available easy-to-use software 'EZR' for medical statistics Bone Marrow Transplant 48 452-458

[6] Pasini F(2020)What will perioperative geriatric assessment for older cancer patients look like in 2025? Advantages and limitations of new technologies in geriatric assessment Eur J Surg Oncol 46 305-309

[7] Ghignone F(2016)The impact of frailty on postoperative outcomes in individuals aged 65 and over undergoing elective surgery for colorectal cancer: a systematic review J Geriatr Oncol 6 479-491

[8] Zattoni D(2018)Personalized management of elderly patients with rectal cancer: Expert recommendations of the European Society of Surgical Oncology, European Society of Coloproctology, International Society of Geriatric Oncology, and American College of Surgeons Commission on Cancer Eur J Surg Oncol 44 1685-1702

[9] Reggiani MLB(2016)Inter-rater reliability in performance status assessment among health care professionals: a systematic review Ann Palliat Med 5 83-92

[10] Parlanti D(1999)Observer error in grading performance status in cancer patients Support Care in Cancer 7 332-335

[1] Ghignone F(2020)Functional recovery in senior adults undergoing surgery for colorectal cancer: Assessment tools and strategies to preserve functional status Eur J Surg Oncol 46 387-393

[2] Hernandez P(2015)How to select elderly colorectal cancer patients for surgery: a pilot study in an Italian academic medical center Cancer Biol Med 12 302-307

[3] Mahmoud NN(2014)Quality control by photo documentation for evaluation of laparoscopic and open colectomy with D3 resection for stage II/III colorectal cancer: Japan Clinical Oncology Group Study JCOG 0404 Jpn J Clin Oncol 44 799-806

[4] Ugolini G(2020)The Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2019 for the treatment of colorectal cancer Int J Clin Oncol 25 1-42

[5] Ugolini G(2013)Investigation of the freely available easy-to-use software 'EZR' for medical statistics Bone Marrow Transplant 48 452-458

[6] Pasini F(2020)What will perioperative geriatric assessment for older cancer patients look like in 2025? Advantages and limitations of new technologies in geriatric assessment Eur J Surg Oncol 46 305-309

[7] Ghignone F(2016)The impact of frailty on postoperative outcomes in individuals aged 65 and over undergoing elective surgery for colorectal cancer: a systematic review J Geriatr Oncol 6 479-491

[8] Zattoni D(2018)Personalized management of elderly patients with rectal cancer: Expert recommendations of the European Society of Surgical Oncology, European Society of Coloproctology, International Society of Geriatric Oncology, and American College of Surgeons Commission on Cancer Eur J Surg Oncol 44 1685-1702

[9] Reggiani MLB(2016)Inter-rater reliability in performance status assessment among health care professionals: a systematic review Ann Palliat Med 5 83-92

[10] Parlanti D(1999)Observer error in grading performance status in cancer patients Support Care in Cancer 7 332-335