Varadhan R - Search Results

1

Methodology for Evaluating a Partially Controlled Longitudinal Treatment Using Principal Stratification, With Application to a Needle Exchange Program.

Frangakis CE, Brookmeyer RS, Varadhan R, Safaeian M, Vlahov D, Strathdee SA. Frangakis CE, et al. Among authors: varadhan r. J Am Stat Assoc. 2004 Mar;99(465):239-249. doi: 10.1198/016214504000000232. J Am Stat Assoc. 2004. PMID: 25705065 Free PMC article.

2

A complex systems approach to aging biology.

Cohen AA, Ferrucci L, Fülöp T, Gravel D, Hao N, Kriete A, Levine ME, Lipsitz LA, Olde Rikkert MGM, Rutenberg A, Stroustrup N, Varadhan R. Cohen AA, et al. Among authors: varadhan r. Nat Aging. 2022 Jul;2(7):580-591. doi: 10.1038/s43587-022-00252-6. Epub 2022 Jul 20. Nat Aging. 2022. PMID: 37117782 Review.

3

Confidence intervals for seasonal relative risk with null boundary values.

Frangakis CE, Varadhan R. Frangakis CE, et al. Among authors: varadhan r. Epidemiology. 2002 Nov;13(6):734-7. doi: 10.1097/00001648-200211000-00022. Epidemiology. 2002. PMID: 12410019

4

Revealing and addressing length bias and heterogeneous effects in frequency case-crossover studies.

Varadhan R, Frangakis CE. Varadhan R, et al. Am J Epidemiol. 2004 Mar 15;159(6):596-602. doi: 10.1093/aje/kwh078. Am J Epidemiol. 2004. PMID: 15003964

5

Evaluating health outcomes in the presence of competing risks: a review of statistical methods and clinical applications.

Varadhan R, Weiss CO, Segal JB, Wu AW, Scharfstein D, Boyd C. Varadhan R, et al. Med Care. 2010 Jun;48(6 Suppl):S96-105. doi: 10.1097/MLR.0b013e3181d99107. Med Care. 2010. PMID: 20473207 Review.

6

What is missing in the validation of frailty instruments?

Xue QL, Varadhan R. Xue QL, et al. Among authors: varadhan r. J Am Med Dir Assoc. 2014 Feb;15(2):141-2. doi: 10.1016/j.jamda.2013.11.007. Epub 2014 Jan 7. J Am Med Dir Assoc. 2014. PMID: 24405640 No abstract available.

7

Oxidative stress and severe walking disability among older women.

Semba RD, Ferrucci L, Sun K, Walston J, Varadhan R, Guralnik JM, Fried LP. Semba RD, et al. Among authors: varadhan r. Am J Med. 2007 Dec;120(12):1084-9. doi: 10.1016/j.amjmed.2007.07.028. Am J Med. 2007. PMID: 18060930 Free PMC article.

8

Geographic Regions Enriched with Frail Older Adults.

Segal JB, Huang J, Zhu J, Varadhan R. Segal JB, et al. Among authors: varadhan r. J Am Med Dir Assoc. 2021 Dec;22(12):2609-2610.e2. doi: 10.1016/j.jamda.2021.05.029. Epub 2021 Jun 17. J Am Med Dir Assoc. 2021. PMID: 34146519 No abstract available.

9

Assessing heterogeneity of treatment effect in a clinical trial with the proportional interactions model.

Kovalchik SA, Varadhan R, Weiss CO. Kovalchik SA, et al. Among authors: varadhan r. Stat Med. 2013 Dec 10;32(28):4906-23. doi: 10.1002/sim.5881. Epub 2013 Jun 21. Stat Med. 2013. PMID: 23788362

10

Longitudinal Relationship Between Interleukin-6 and Perceived Fatigability Among Well-Functioning Adults in Mid-to-Late Life.

Wanigatunga AA, Varadhan R, Simonsick EM, Carlson OD, Studenski S, Ferrucci L, Schrack JA. Wanigatunga AA, et al. Among authors: varadhan r. J Gerontol A Biol Sci Med Sci. 2019 Apr 23;74(5):720-725. doi: 10.1093/gerona/gly120. J Gerontol A Biol Sci Med Sci. 2019. PMID: 29846512 Free PMC article.

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