Frailty assessment instruments: systematic characterization of the uses and contexts of highly-cited instruments BJ Buta, JD Walston, JG Godino, M Park, RR Kalyani, QL Xue, ... Ageing research reviews 26, 53-61, 2016 | 824 | 2016 |
Frailty in older adults: a nationally representative profile in the United States K Bandeen-Roche, CL Seplaki, J Huang, B Buta, RR Kalyani, ... Journals of Gerontology Series A: Biomedical Sciences and Medical Sciences …, 2015 | 761 | 2015 |
Initial manifestations of frailty criteria and the development of frailty phenotype in the Women's Health and Aging Study II QL Xue, K Bandeen-Roche, R Varadhan, J Zhou, LP Fried The Journals of Gerontology Series A: Biological Sciences and Medical …, 2008 | 654 | 2008 |
Nonlinear multisystem physiological dysregulation associated with frailty in older women: implications for etiology and treatment LP Fried, QL Xue, AR Cappola, L Ferrucci, P Chaves, R Varadhan, ... Journals of Gerontology Series A: Biomedical Sciences and Medical Sciences …, 2009 | 601 | 2009 |
Unifying optimization algorithms to aid software system users: optimx for R JC Nash, R Varadhan Journal of Statistical Software 43, 1-14, 2011 | 529 | 2011 |
Simple and globally convergent methods for accelerating the convergence of any EM algorithm R Varadhan, C Roland Scandinavian Journal of Statistics 35 (2), 335-353, 2008 | 387 | 2008 |
Development of the Instrument to assess the Credibility of Effect Modification Analyses (ICEMAN) in randomized controlled trials and meta-analyses S Schandelmaier, M Briel, R Varadhan, CH Schmid, N Devasenapathy, ... Cmaj 192 (32), E901-E906, 2020 | 385 | 2020 |
Frailty and mortality in kidney transplant recipients MA McAdams-DeMarco, A Law, E King, B Orandi, M Salter, N Gupta, ... American journal of transplantation 15 (1), 149-154, 2015 | 349 | 2015 |
The physical frailty syndrome as a transition from homeostatic symphony to cacophony LP Fried, AA Cohen, QL Xue, J Walston, K Bandeen-Roche, R Varadhan Nature aging 1 (1), 36-46, 2021 | 308 | 2021 |
The predictive approaches to treatment effect heterogeneity (PATH) statement DM Kent, JK Paulus, D Van Klaveren, R D'Agostino, S Goodman, ... Annals of internal medicine 172 (1), 35-45, 2020 | 293 | 2020 |
BB: An R package for solving a large system of nonlinear equations and for optimizing a high-dimensional nonlinear objective function R Varadhan, P Gilbert Journal of statistical software 32, 1-26, 2010 | 272 | 2010 |
Simple biologically informed inflammatory index of two serum cytokines predicts 10 year all-cause mortality in older adults R Varadhan, W Yao, A Matteini, BA Beamer, Q Xue, H Yang, B Manwani, ... Journals of Gerontology Series A: Biomedical Sciences and Medical Sciences …, 2014 | 258 | 2014 |
Oxidative protein damage is associated with poor grip strength among older women living in the community C Howard, L Ferrucci, K Sun, LP Fried, J Walston, R Varadhan, ... Journal of Applied Physiology 103 (1), 17-20, 2007 | 253 | 2007 |
Higher levels and blunted diurnal variation of cortisol in frail older women R Varadhan, J Walston, AR Cappola, MC Carlson, GS Wand, LP Fried The Journals of Gerontology Series A: Biological Sciences and Medical …, 2008 | 224 | 2008 |
Evaluating health outcomes in the presence of competing risks: a review of statistical methods and clinical applications R Varadhan, CO Weiss, JB Segal, AW Wu, D Scharfstein, C Boyd Medical care 48 (6), S96-S105, 2010 | 218 | 2010 |
numDeriv: Accurate numerical derivatives P Gilbert, R Varadhan R package version 1, 2019, 2016 | 217 | 2016 |
Development of a claims-based frailty indicator anchored to a well-established frailty phenotype JB Segal, HY Chang, Y Du, JD Walston, MC Carlson, R Varadhan Medical care 55 (7), 716-722, 2017 | 201 | 2017 |
Methodologic approach for the biomarkers reflecting inflammation and nutritional determinants of anemia (BRINDA) project SML Namaste, GJ Aaron, R Varadhan, JM Peerson, PS Suchdev, ... The American journal of clinical nutrition 106, 333S-347S, 2017 | 198 | 2017 |
Rationalizing prescribing for older patients with multimorbidity: considering time to benefit HM Holmes, LC Min, M Yee, R Varadhan, J Basran, W Dale, CM Boyd Drugs & aging 30, 655-666, 2013 | 165 | 2013 |
Association between reduced heart rate variability and cognitive impairment in older disabled women in the community: Women's Health and Aging Study I DH Kim, LA Lipsitz, L Ferrucci, R Varadhan, JM Guralnik, MC Carlson, ... Journal of the American Geriatrics Society 54 (11), 1751-1757, 2006 | 160 | 2006 |