Impact of comorbidity assessment methods to predict non-cancer mortality risk in cancer patients: a retrospective observational study using the National Health Insurance Service claims-based data in Korea

[1] Zaorsky NG(2017)Causes of death among cancer patients Ann Oncol 28 400-407

[2] Churilla T(2013)Assessing non–cancer-related health status of US cancer patients: other-cause survival and comorbidity prevalence Am J Epidemiol 178 339-349

[3] Egleston B(2013)The impact of comorbidity on cancer survival: a review Clin Epidemiol 5 3-29

[4] Fisher S(2014)Annual report to the nation on the status of cancer, 1975-2010, featuring prevalence of comorbidity and impact on survival among persons with lung, colorectal, breast, or prostate cancer Cancer 120 1290-1314

[5] Ridge J(2006)Data sources for measuring comorbidity: a comparison of hospital records and medicare claims for cancer patients Med Care 44 921-928

[6] Horwitz E(1987)A new method of classifying prognostic comorbidity in longitudinal studies: development and validation J Chronic Dis 40 373-383

[7] Meyer J(1992)Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases J Clin Epidemiol 45 613-619

[8] Cho H(2005)Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data Med Care 43 1130-1139

[9] Mariotto AB(2002)Measuring potentially avoidable hospital readmissions J Clin Epidemiol 55 573-587

[10] Mann BS(2004)New ICD-10 version of the Charlson comorbidity index predicted in-hospital mortality J Clin Epidemiol 57 1288-1294

[1] Zaorsky NG(2017)Causes of death among cancer patients Ann Oncol 28 400-407

[2] Churilla T(2013)Assessing non–cancer-related health status of US cancer patients: other-cause survival and comorbidity prevalence Am J Epidemiol 178 339-349

[3] Egleston B(2013)The impact of comorbidity on cancer survival: a review Clin Epidemiol 5 3-29

[4] Fisher S(2014)Annual report to the nation on the status of cancer, 1975-2010, featuring prevalence of comorbidity and impact on survival among persons with lung, colorectal, breast, or prostate cancer Cancer 120 1290-1314

[5] Ridge J(2006)Data sources for measuring comorbidity: a comparison of hospital records and medicare claims for cancer patients Med Care 44 921-928

[6] Horwitz E(1987)A new method of classifying prognostic comorbidity in longitudinal studies: development and validation J Chronic Dis 40 373-383

[7] Meyer J(1992)Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases J Clin Epidemiol 45 613-619

[8] Cho H(2005)Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data Med Care 43 1130-1139

[9] Mariotto AB(2002)Measuring potentially avoidable hospital readmissions J Clin Epidemiol 55 573-587

[10] Mann BS(2004)New ICD-10 version of the Charlson comorbidity index predicted in-hospital mortality J Clin Epidemiol 57 1288-1294