Blood urea nitrogen to creatinine ratio is associated with physical frailty in older-aged Chinese: a cross-sectional study

[1] Rodríguez-Mañas L(2013)Searching for an operational definition of frailty: a Delphi method based consensus statement. The frailty operative definition-consensus conference project J. Gerontol Series A Biomed Sci Med Sci 68 62-7

[2] Féart C(2013)Frailty in elderly people The Lancet 381 752-762

[3] Mann G(2001)Frailty in older adults: evidence for a phenotype J Gerontol A Biol Sci Med Sci 56 M146-M157

[4] Viña J(1995)What is sarcopenia? J Gerontol Series A Biol Sci Med Sci 50 5-8

[5] Chatterji S(2010)Objectively measured physical capability levels and mortality: systematic review and meta-analysis BMJ 341 c4467-1367

[6] Chodzko-Zajko W(2019)Validation of the sarcopenia index to assess muscle mass in the critically ill: a novel application of kidney function markers Clin Nutr 38 1362-138

[7] Clegg A(2019)Inflammatory signatures in older persons with physical frailty and sarcopenia: The frailty “cytokinome” at its core Exp Gerontol 122 129-1862

[8] Young J(2020)Creatinine-to-cystatin C ratio as a marker of skeletal muscle mass in older adults: J-SHIPP study Clin Nutr 39 1857-500

[9] Iliffe S(2019)Sarcopenia: Revised European consensus on definition and diagnosis Age Ageing 48 601-36

[10] Rikkert MO(2017)Health outcomes of sarcopenia: a systematic review and meta-analysis PLoS ONE 12 485-87

[1] Rodríguez-Mañas L(2013)Searching for an operational definition of frailty: a Delphi method based consensus statement. The frailty operative definition-consensus conference project J. Gerontol Series A Biomed Sci Med Sci 68 62-7

[2] Féart C(2013)Frailty in elderly people The Lancet 381 752-762

[3] Mann G(2001)Frailty in older adults: evidence for a phenotype J Gerontol A Biol Sci Med Sci 56 M146-M157

[4] Viña J(1995)What is sarcopenia? J Gerontol Series A Biol Sci Med Sci 50 5-8

[5] Chatterji S(2010)Objectively measured physical capability levels and mortality: systematic review and meta-analysis BMJ 341 c4467-1367

[6] Chodzko-Zajko W(2019)Validation of the sarcopenia index to assess muscle mass in the critically ill: a novel application of kidney function markers Clin Nutr 38 1362-138

[7] Clegg A(2019)Inflammatory signatures in older persons with physical frailty and sarcopenia: The frailty “cytokinome” at its core Exp Gerontol 122 129-1862

[8] Young J(2020)Creatinine-to-cystatin C ratio as a marker of skeletal muscle mass in older adults: J-SHIPP study Clin Nutr 39 1857-500

[9] Iliffe S(2019)Sarcopenia: Revised European consensus on definition and diagnosis Age Ageing 48 601-36

[10] Rikkert MO(2017)Health outcomes of sarcopenia: a systematic review and meta-analysis PLoS ONE 12 485-87